diff --git a/src/GameEngine.cpp b/src/GameEngine.cpp
index fdf0d84..f548709 100644
--- a/src/GameEngine.cpp
+++ b/src/GameEngine.cpp
@@ -9,10 +9,10 @@ GameEngine::GameEngine()
 {
     Resources::font.loadFromFile("./assets/JetbrainsMono.ttf");
     Resources::game = this;
-    window_title = "McRogueFace - 7DRL 2024 Engine Demo";
+    window_title = "Crypt of Sokoban - 7DRL 2025, McRogueface Engine";
     window.create(sf::VideoMode(1024, 768), window_title, sf::Style::Titlebar | sf::Style::Close);
     visible = window.getDefaultView();
-    window.setFramerateLimit(30);
+    window.setFramerateLimit(60);
     scene = "uitest";
     scenes["uitest"] = new UITestScene(this);
     
@@ -63,7 +63,10 @@ void GameEngine::run()
         currentFrame++;
         frameTime = clock.restart().asSeconds();
         fps = 1 / frameTime;
-        window.setTitle(window_title + " " + std::to_string(fps) + " FPS");
+        int whole_fps = (int)fps;
+        int tenth_fps = int(fps * 100) % 10;
+        //window.setTitle(window_title + " " + std::to_string(fps) + " FPS");
+        window.setTitle(window_title + " " + std::to_string(whole_fps) + "." + std::to_string(tenth_fps) + " FPS");
     }
 }
 
diff --git a/src/scripts/cos_entities.py b/src/scripts/cos_entities.py
new file mode 100644
index 0000000..ed916f7
--- /dev/null
+++ b/src/scripts/cos_entities.py
@@ -0,0 +1,203 @@
+import mcrfpy
+#t = mcrfpy.Texture("assets/kenney_tinydungeon.png", 16, 16)
+t = mcrfpy.Texture("assets/kenney_TD_MR_IP.png", 16, 16)
+#def iterable_entities(grid):
+#    """Workaround for UIEntityCollection bug; see issue #72"""
+#    entities = []
+#    for i in range(len(grid.entities)):
+#        entities.append(grid.entities[i])
+#    return entities
+
+class COSEntity():  #mcrfpy.Entity): # Fake mcrfpy.Entity integration; engine bugs workarounds
+    def __init__(self, g:mcrfpy.Grid, x=0, y=0, sprite_num=86, *, game):
+        #self.e = mcrfpy.Entity((x, y), t, sprite_num)
+        #super().__init__((x, y), t, sprite_num)
+        self._entity = mcrfpy.Entity((x, y), t, sprite_num)
+        #grid.entities.append(self.e)
+        self.grid = g
+        #g.entities.append(self._entity)
+        self.game = game
+        self.game.add_entity(self)
+
+    ## Wrapping mcfrpy.Entity properties to emulate derived class... see issue #76
+    @property
+    def draw_pos(self):
+        return self._entity.draw_pos
+
+    @draw_pos.setter
+    def draw_pos(self, value):
+        self._entity.draw_pos = value
+
+    @property
+    def sprite_number(self):
+        return self._entity.sprite_number
+
+    @sprite_number.setter
+    def sprite_number(self, value):
+        self._entity.sprite_number = value
+
+    def __repr__(self):
+        return f"<COSEntity ({self.draw_pos}) on {self.grid}>"
+
+    def die(self):
+        # ugly workaround! grid.entities isn't really iterable (segfaults)
+        for i in range(len(self.grid.entities)):
+            e = self.grid.entities[i]
+            if e == self._entity:
+            #if e == self:
+                self.grid.entities.remove(i)
+                break
+        else:
+            print(f"!!! {self!r} wasn't removed from grid on call to die()")
+
+    def bump(self, other, dx, dy, test=False):
+        raise NotImplementedError
+
+    def do_move(self, tx, ty):
+        """Base class method to move this entity
+        Assumes try_move succeeded, for everyone!
+        from: self._entity.draw_pos
+        to: (tx, ty)
+        calls ev_exit for every entity at (draw_pos)
+        calls ev_enter for every entity at (tx, ty)
+        """
+        old_pos = self.draw_pos
+        self.draw_pos = (tx, ty)
+        for e in self.game.entities:
+            if e is self: continue
+            if e.draw_pos == old_pos: e.ev_exit(self)
+        for e in self.game.entities:
+            if e is self: continue
+            if e.draw_pos == (tx, ty): e.ev_enter(self)
+        
+
+    def ev_enter(self, other):
+        pass
+
+    def ev_exit(self, other):
+        pass
+
+    def try_move(self, dx, dy, test=False):
+        x_max, y_max = self.grid.grid_size
+        tx, ty = int(self.draw_pos[0] + dx), int(self.draw_pos[1] + dy)
+        #for e in iterable_entities(self.grid):
+
+        # sorting entities to test against the boulder instead of the button when they overlap.
+        for e in sorted(self.game.entities, key = lambda i: i.draw_order, reverse = True):
+            if e.draw_pos == (tx, ty):
+                #print(f"bumping {e}")
+                return e.bump(self, dx, dy)
+
+        if tx < 0 or tx >= x_max:
+            return False
+        if ty < 0 or ty >= y_max:
+            return False
+        if self.grid.at((tx, ty)).walkable == True:
+            if not test:
+                #self.draw_pos = (tx, ty)
+                self.do_move(tx, ty)
+            return True
+        else:
+            #print("Bonk")
+            return False
+
+    def _relative_move(self, dx, dy):
+        tx, ty = int(self.draw_pos[0] + dx), int(self.draw_pos[1] + dy)
+        #self.draw_pos = (tx, ty)
+        self.do_move(tx, ty)
+
+class PlayerEntity(COSEntity):
+    def __init__(self, *, game):
+        #print(f"spawn at origin")
+        self.draw_order = 10
+        super().__init__(game.grid, 0, 0, sprite_num=84, game=game)
+
+    def respawn(self, avoid=None):
+        # find spawn point
+        x_max, y_max = g.size
+        spawn_points = []
+        for x in range(x_max):
+            for y in range(y_max):
+                if g.at((x, y)).walkable:
+                    spawn_points.append((x, y))
+        random.shuffle(spawn_points)
+        ## TODO - find other entities to avoid spawning on top of
+        for spawn in spawn_points:
+            for e in avoid or []:
+                if e.draw_pos == spawn: break
+            else:
+                break
+        self.draw_pos = spawn
+
+    def __repr__(self):
+        return f"<PlayerEntity {self.draw_pos}, {self.grid}>"
+
+
+class BoulderEntity(COSEntity):
+    def __init__(self, x, y, *, game):
+        self.draw_order = 8
+        super().__init__(game.grid, x, y, 66, game=game)
+
+    def bump(self, other, dx, dy, test=False):
+        if type(other) == BoulderEntity:
+            #print("Boulders can't push boulders")
+            return False
+        #tx, ty = int(self.e.position[0] + dx), int(self.e.position[1] + dy)
+        tx, ty = int(self.draw_pos[0] + dx), int(self.draw_pos[1] + dy)
+        # Is the boulder blocked the same direction as the bumper? If not, let's both move
+        old_pos = int(self.draw_pos[0]), int(self.draw_pos[1])
+        if self.try_move(dx, dy, test=test):
+            if not test:
+                other.do_move(*old_pos)
+                #other.draw_pos = old_pos
+            return True
+
+class ButtonEntity(COSEntity):
+    def __init__(self, x, y, exit_entity, *, game):
+        self.draw_order = 1
+        super().__init__(game.grid, x, y, 42, game=game)
+        self.exit = exit_entity
+
+    def ev_enter(self, other):
+        print("Button makes a satisfying click!")
+        self.exit.unlock()
+
+    def ev_exit(self, other):
+        print("Button makes a disappointing click.")
+        self.exit.lock()
+
+    def bump(self, other, dx, dy, test=False):
+        #if type(other) == BoulderEntity:
+        #    self.exit.unlock()
+        # TODO: unlock, and then lock again, when player steps on/off
+        if not test:
+            other._relative_move(dx, dy)
+        return True
+
+class ExitEntity(COSEntity):
+    def __init__(self, x, y, bx, by, *, game):
+        self.draw_order = 2
+        super().__init__(game.grid, x, y, 45, game=game)
+        self.my_button = ButtonEntity(bx, by, self, game=game)
+        self.unlocked = False
+        #global cos_entities
+        #cos_entities.append(self.my_button)
+
+    def unlock(self):
+        self.sprite_number = 21
+        self.unlocked = True
+
+    def lock(self):
+        self.sprite_number = 45
+        self.unlocked = False
+
+    def bump(self, other, dx, dy, test=False):
+        if type(other) == BoulderEntity:
+            return False
+        if self.unlocked:
+            if not test:
+                other._relative_move(dx, dy)
+            #TODO - player go down a level logic
+            if type(other) == PlayerEntity:
+                self.game.create_level(self.game.depth + 1)
+                self.game.swap_level(self.game.level, self.game.spawn_point)
diff --git a/src/scripts/cos_level.py b/src/scripts/cos_level.py
new file mode 100644
index 0000000..32392b0
--- /dev/null
+++ b/src/scripts/cos_level.py
@@ -0,0 +1,195 @@
+import random
+import mcrfpy
+import cos_tiles as ct
+
+t = mcrfpy.Texture("assets/kenney_TD_MR_IP.png", 16, 16)
+
+def binary_space_partition(x, y, w, h):
+    d = random.choices(["vert", "horiz"], weights=[w/(w+h), h/(w+h)])[0]
+    split = random.randint(30, 70) / 100.0
+    if d == "vert":
+        coord = int(w * split)
+        return (x, y, coord, h), (x+coord, y, w-coord, h)
+    else: # horizontal
+        coord = int(h * split)
+        return (x, y, w, coord), (x, y+coord, w, h-coord)
+
+room_area = lambda x, y, w, h: w * h
+
+class BinaryRoomNode:
+    def __init__(self, xywh):
+        self.data = xywh
+        self.left = None
+        self.right = None
+
+    def __repr__(self):
+        return f"<RoomNode {self.data}>"
+
+    def split(self):
+        new_data = binary_space_partition(*self.data)
+        self.left = BinaryRoomNode(new_data[0])
+        self.right = BinaryRoomNode(new_data[1])
+
+    def walk(self):
+        if self.left and self.right:
+            return self.left.walk() + self.right.walk()
+        return [self]
+
+class RoomGraph:
+    def __init__(self, xywh):
+        self.root = BinaryRoomNode(xywh)
+
+    def __repr__(self):
+        return f"<RoomGraph, root={self.root}, {len(self.walk())} rooms>"
+
+    def walk(self):
+        w = self.root.walk() if self.root else []
+        #print(w)
+        return w
+
+def room_coord(room, margin=0):
+    x, y, w, h = room.data
+    w -= 1
+    h -= 1
+    margin += 1
+    x += margin
+    y += margin
+    w -= margin
+    h -= margin
+    if w < 0: w = 0
+    if h < 0: h = 0
+    tx = x if w==0 else random.randint(x, x+w)
+    ty = y if h==0 else random.randint(y, y+h)
+    return (tx, ty)
+
+class Level:
+    def __init__(self, width, height):
+        self.width = width
+        self.height = height
+        #self.graph = [(0, 0, width, height)]
+        self.graph = RoomGraph( (0, 0, width, height) )
+        self.grid = mcrfpy.Grid(width, height, t, (10, 10), (1014, 758))
+        self.highlighted = -1 #debug view feature
+
+    def fill(self, xywh, highlight = False):
+        if highlight:
+            ts = 0
+        else:
+            ts = room_area(*xywh) % 131
+        X, Y, W, H = xywh
+        for x in range(X, X+W):
+            for y in range(Y, Y+H):
+                self.grid.at((x, y)).tilesprite = ts
+
+    def highlight(self, delta):
+        rooms = self.graph.walk()
+        if self.highlighted < len(rooms):
+            print(f"reset {self.highlighted}")
+            self.fill(rooms[self.highlighted].data) # reset
+        self.highlighted += delta
+        print(f"highlight {self.highlighted}")
+        self.highlighted = self.highlighted % len(rooms)
+        self.fill(rooms[self.highlighted].data, highlight = True)
+
+    def reset(self):
+        self.graph = RoomGraph( (0, 0, self.width, self.height) )
+        for x in range(self.width):
+            for y in range(self.height):
+                self.grid.at((x, y)).walkable = True
+                self.grid.at((x, y)).transparent = True
+                self.grid.at((x, y)).tilesprite = 0 #random.choice([40, 28])
+
+    def split(self, single=False):
+        if single:
+            areas = {g.data: room_area(*g.data) for g in self.graph.walk()}
+            largest = sorted(self.graph.walk(), key=lambda g: areas[g.data])[-1]
+            largest.split()
+        else:
+            for room in self.graph.walk(): room.split()
+        self.fill_rooms()
+
+    def fill_rooms(self, features=None):
+        rooms = self.graph.walk()
+        print(f"rooms: {len(rooms)}")
+        for i, g in enumerate(rooms):
+            X, Y, W, H = g.data
+            #c = [random.randint(0, 255) for _ in range(3)]
+            ts = room_area(*g.data) % 131 + i # modulo - consistent tile pick
+            for x in range(X, X+W):
+                for y in range(Y, Y+H):
+                    self.grid.at((x, y)).tilesprite = ts
+
+    def wall_rooms(self):
+        rooms = self.graph.walk()
+        for g in rooms:
+            #if random.random() > 0.66: continue
+            X, Y, W, H = g.data
+            for x in range(X, X+W):
+                self.grid.at((x, Y)).walkable = False
+                #self.grid.at((x, Y+H-1)).walkable = False
+            for y in range(Y, Y+H):
+                self.grid.at((X, y)).walkable = False
+                #self.grid.at((X+W-1, y)).walkable = False
+        # boundary of entire level
+        for x in range(0, self.width):
+        #    self.grid.at((x, 0)).walkable = False
+            self.grid.at((x, self.height-1)).walkable = False
+        for y in range(0, self.height):
+        #    self.grid.at((0, y)).walkable = False
+            self.grid.at((self.width-1, y)).walkable = False
+
+    def generate(self, target_rooms = 5, features=None):
+        if features is None:
+            shuffled = ["boulder", "button"]
+            random.shuffle(shuffled) 
+            features = ["spawn"] + shuffled + ["exit", "treasure"]
+        # Binary space partition to reach given # of rooms
+        self.reset()
+        while len(self.graph.walk()) < target_rooms:
+            self.split(single=len(self.graph.walk()) > target_rooms * .5)
+            
+        # Player path planning
+        #self.fill_rooms()
+        self.wall_rooms()
+        rooms = self.graph.walk()
+        feature_coords = {}
+        prev_room = None
+        for room in rooms:
+            if not features: break
+            f = features.pop(0)
+            feature_coords[f] = room_coord(room, margin=4 if f in ("boulder",) else 1)
+
+            ## Hallway generation
+            # plow an inelegant path
+            if prev_room:
+                start = room_coord(prev_room, margin=2)
+                end = room_coord(room, margin=2)
+                # get x1,y1 and x2,y2 coordinates: top left and bottom right points on the rect formed by two random points, one from each of the 2 rooms
+                x1 = min([start[0], end[0]])
+                x2 = max([start[0], end[0]])
+                dw = x2 - x1
+                y1 = min([start[1], end[1]])
+                y2 = max([start[1], end[1]])
+                dh = y2 - y1
+                #print(x1, y1, x2, y2, dw, dh)
+        
+                # random: top left or bottom right as the corner between the paths
+                tx, ty = (x1, y1) if random.random() >= 0.5 else (x2, y2)
+
+                for x in range(x1, x1+dw):
+                    self.grid.at((x, ty)).walkable = True
+                    #self.grid.at((x, ty)).color = (255, 0, 0)
+                    #self.grid.at((x, ty)).tilesprite = -1
+                for y in range(y1, y1+dh):
+                    self.grid.at((tx, y)).walkable = True
+                    #self.grid.at((tx, y)).color = (0, 255, 0)
+                    #self.grid.at((tx, y)).tilesprite = -1
+            prev_room = room
+
+
+        # Tile painting
+        possibilities = None
+        while possibilities or possibilities is None:
+            possibilities = ct.wfc_pass(self.grid, possibilities)
+
+        return feature_coords
diff --git a/src/scripts/cos_play.py b/src/scripts/cos_play.py
deleted file mode 100644
index 5cc9ffd..0000000
--- a/src/scripts/cos_play.py
+++ /dev/null
@@ -1,300 +0,0 @@
-import mcrfpy
-mcrfpy.createScene("play")
-ui = mcrfpy.sceneUI("play")
-t = mcrfpy.Texture("assets/kenney_tinydungeon.png", 16, 16) # 12, 11)
-font = mcrfpy.Font("assets/JetbrainsMono.ttf")
-
-frame_color = (64, 64, 128)
-
-grid = mcrfpy.Grid(20, 15, t, 10, 10, 800, 595)
-grid.zoom = 2.0
-entity_frame = mcrfpy.Frame(815, 10, 194, 595, fill_color = frame_color)
-inventory_frame = mcrfpy.Frame(10, 610, 800, 143, fill_color = frame_color)
-stats_frame = mcrfpy.Frame(815, 610, 194, 143, fill_color = frame_color)
-
-begin_btn = mcrfpy.Frame(350,250,100,100, fill_color = (255,0,0))
-begin_btn.children.append(mcrfpy.Caption(5, 5, "Begin", font))
-def cos_keys(key, state):
-    if key == 'M' and state == 'start':
-        mapgen()
-    elif state == "end": return
-    elif key == "W":
-        player.move("N")
-    elif key == "A":
-        player.move("W")
-    elif key == "S":
-        player.move("S")
-    elif key == "D":
-        player.move("E")
-
-
-def cos_init(*args):
-    if args[3] != "start": return
-    mcrfpy.keypressScene(cos_keys)
-    ui.remove(4)
-    
-begin_btn.click = cos_init
-
-[ui.append(e) for e in (grid, entity_frame, inventory_frame, stats_frame, begin_btn)]
-
-import random
-def rcolor():
-    return tuple([random.randint(0, 255) for i in range(3)]) # TODO list won't work with GridPoint.color, so had to cast to tuple
-
-x_max, y_max = grid.grid_size
-for x in range(x_max):
-    for y in range(y_max):
-        grid.at((x,y)).color = rcolor()
-
-from math import pi, cos, sin
-def mapgen(room_size_max = 7, room_size_min = 3, room_count = 4):
-    # reset map
-    for x in range(x_max):
-        for y in range(y_max):
-            grid.at((x, y)).walkable = False
-            grid.at((x, y)).transparent= False
-            grid.at((x,y)).tilesprite = random.choices([40, 28], weights=[.8, .2])[0]
-    global cos_entities
-    for e in cos_entities:
-        e.e.position = (999,999) # TODO
-        e.die()
-    cos_entities = []
-
-    #Dungeon generation
-    centers = []
-    attempts = 0
-    while len(centers) < room_count:
-    # Leaving this attempt here for later comparison. These rooms sucked.
-    # overlapping, uninteresting hallways, crowded into the corners sometimes, etc.
-        attempts += 1
-        if attempts > room_count * 15: break
-    #    room_left = random.randint(1, x_max)
-    #    room_top = random.randint(1, y_max)
-
-    # Take 2 - circular distribution of rooms
-        angle_mid = (len(centers) / room_count) * 2 * pi + 0.785
-        angle = random.uniform(angle_mid - 0.25, angle_mid + 0.25)
-        radius = random.uniform(3, 14)
-        room_left = int(radius * cos(angle)) + int(x_max/2)
-        if room_left <= 1: room_left = 1
-        if room_left > x_max - 1: room_left = x_max - 2
-        room_top = int(radius * sin(angle)) + int(y_max/2)
-        if room_top <= 1: room_top = 1
-        if room_top > y_max - 1: room_top = y_max - 2
-        room_w = random.randint(room_size_min, room_size_max)
-        if room_w + room_left >= x_max: room_w = x_max - room_left - 2
-        room_h = random.randint(room_size_min, room_size_max)
-        if room_h + room_top >= y_max: room_h = y_max - room_top - 2
-        #print(room_left, room_top, room_left + room_w, room_top + room_h)
-        if any( # centers contained in this randomly generated room
-            [c[0] >= room_left and c[0] <= room_left + room_w and c[1] >= room_top and c[1] <= room_top + room_h for c in centers]
-            ):
-            continue # re-randomize the room position
-        centers.append(
-                (int(room_left + (room_w/2)), int(room_top + (room_h/2)))
-                )
-
-        for x in range(room_w):
-            for y in range(room_h):
-                grid.at((room_left+x, room_top+y)).walkable=True
-                grid.at((room_left+x, room_top+y)).transparent=True
-                grid.at((room_left+x, room_top+y)).tilesprite = random.choice([48, 49, 50, 51, 52, 53])
-
-        # generate a boulder
-        if (room_w > 2 and room_h > 2):
-            room_boulder_x, room_boulder_y = random.randint(room_left+1, room_left+room_w-1), random.randint(room_top+1, room_top+room_h-1)
-            cos_entities.append(BoulderEntity(room_boulder_x, room_boulder_y))
-
-    print(f"{room_count} rooms generated after {attempts} attempts.")
-    #print(centers)
-    # hallways
-    pairs = []
-    for c1 in centers:
-        for c2 in centers:
-            if c1 == c2: continue
-            if (c2, c1) in pairs or (c1, c2) in pairs: continue
-            left = min(c1[0], c2[0])
-            right = max(c1[0], c2[0])
-            top = min(c1[1], c2[1])
-            bottom = max(c1[1], c2[1])
-
-            corners = [(left, top), (left, bottom), (right, top), (right, bottom)]
-            corners.remove(c1)
-            corners.remove(c2)
-            random.shuffle(corners)
-            target, other = corners
-            for x in range(target[0], other[0], -1 if target[0] > other[0] else 1):
-                was_walkable = grid.at((x, target[1])).walkable
-                grid.at((x, target[1])).walkable=True
-                grid.at((x, target[1])).transparent=True
-                if not was_walkable:
-                    grid.at((x, target[1])).tilesprite = random.choices([0, 12, 24], weights=[.6, .3, .1])[0]
-            for y in range(target[1], other[1], -1 if target[1] > other[1] else 1):
-                was_walkable = grid.at((target[0], y)).walkable
-                grid.at((target[0], y)).walkable=True
-                grid.at((target[0], y)).transparent=True
-                if not was_walkable:
-                    grid.at((target[0], y)).tilesprite = random.choices([0, 12, 24], weights=[0.4, 0.3, 0.3])[0]
-            pairs.append((c1, c2))
-
-
-    # spawn exit and button
-    spawn_points = []
-    for x in range(x_max):
-        for y in range(y_max):
-            if grid.at((x, y)).walkable:
-                spawn_points.append((x, y))
-    random.shuffle(spawn_points)
-    door_spawn, button_spawn = spawn_points[:2]
-    cos_entities.append(ExitEntity(*door_spawn, *button_spawn))
-
-    # respawn player
-    global player
-    if player:
-        player.position = (999,999) # TODO - die() is broken and I don't know why 
-    player = PlayerEntity()
-
-
-    #for x in range(x_max):
-    #    for y in range(y_max):
-    #        if grid.at((x, y)).walkable:
-    #            #grid.at((x,y)).tilesprite = random.choice([48, 49, 50, 51, 52, 53])
-    #            pass
-    #        else:
-    #            #grid.at((x,y)).tilesprite = random.choices([40, 28], weights=[.8, .2])[0]
-
-#131 - last sprite
-#123, 124 - brown, grey rats
-#121 - ghost
-#114, 115, 116 - green, red, blue potion
-#102 - shield
-#98 - low armor guy, #97 - high armor guy
-#89 - chest, #91 - empty chest
-#84 - wizard
-#82 - barrel
-#66 - boulder
-#64, 65 - graves
-#48 - 53: ground (not going to figure out how they fit together tonight)
-#42 - button-looking ground
-#40 - basic solid wall
-#36, 37, 38 - wall (left, middle, right)
-#28 solid wall but with a grate
-#21 - wide open door, 33 medium open, 45 closed door
-#0 - basic dirt
-class MyEntity:
-    def __init__(self, x=0, y=0, sprite_num=86):
-        self.e = mcrfpy.Entity(x, y, t, sprite_num)
-        grid.entities.append(self.e)
-    def die(self):
-        for i in range(len(grid.entities)):
-            e = grid.entities[i]
-            if e == self.e:
-                grid.entities.remove(i)
-                break
-    def bump(self, other, dx, dy):
-        raise NotImplementedError
-
-    def try_move(self, dx, dy):
-        tx, ty = int(self.e.position[0] + dx), int(self.e.position[1] + dy)
-        for e in cos_entities:
-            if e.e.position == (tx, ty):
-                #print(f"bumping {e}")
-                return e.bump(self, dx, dy)
-        if tx < 0 or tx >= x_max:
-            #print("out of bounds horizontally")
-            return False
-        if ty < 0 or ty >= y_max:
-            #print("out of bounds vertically")
-            return False
-        if grid.at((tx, ty)).walkable == True:
-            #print("Motion!")
-            self.e.position = (tx, ty)
-            return True
-        else:
-            #print("Bonk")
-            return False
-
-    def _relative_move(self, dx, dy):
-        tx, ty = int(self.e.position[0] + dx), int(self.e.position[1] + dy)
-        self.e.position = (tx, ty)
-
-
-    def move(self, direction):
-        if direction == "N":
-            self.try_move(0, -1)
-        elif direction == "E":
-            self.try_move(1, 0)
-        elif direction == "S":
-            self.try_move(0, 1)
-        elif direction == "W":
-            self.try_move(-1, 0)
-
-cos_entities = []
-
-class PlayerEntity(MyEntity):
-    def __init__(self):
-        # find spawn point
-        spawn_points = []
-        for x in range(x_max):
-            for y in range(y_max):
-                if grid.at((x, y)).walkable:
-                    spawn_points.append((x, y))
-        random.shuffle(spawn_points)
-        for spawn in spawn_points:
-            for e in cos_entities:
-                if e.e.position == spawn: break
-            else:
-                break
-
-        #print(f"spawn at {spawn}")
-        super().__init__(spawn[0], spawn[1], sprite_num=84)
-
-class BoulderEntity(MyEntity):
-    def __init__(self, x, y):
-        super().__init__(x, y, 66)
-
-    def bump(self, other, dx, dy):
-        if type(other) == BoulderEntity:
-            #print("Boulders can't push boulders")
-            return False
-        tx, ty = int(self.e.position[0] + dx), int(self.e.position[1] + dy)
-        # Is the boulder blocked the same direction as the bumper? If not, let's both move
-        old_pos = int(self.e.position[0]), int(self.e.position[1])
-        if self.try_move(dx, dy):
-            other.e.position = old_pos
-            return True
-
-class ButtonEntity(MyEntity):
-    def __init__(self, x, y, exit):
-        super().__init__(x, y, 42)
-        self.exit = exit
-
-    def bump(self, other, dx, dy):
-        if type(other) == BoulderEntity:
-            self.exit.unlock()
-        other._relative_move(dx, dy)
-        return True
-
-class ExitEntity(MyEntity):
-    def __init__(self, x, y, bx, by):
-        super().__init__(x, y, 45)
-        self.my_button = ButtonEntity(bx, by, self)
-        self.unlocked = False
-        global cos_entities
-        cos_entities.append(self.my_button)
-
-    def unlock(self):
-        self.e.sprite_number = 21
-        self.unlocked = True
-
-    def lock(self):
-        self.e.sprite_number = 45
-        self.unlocked = True
-
-    def bump(self, other, dx, dy):
-        if type(other) == BoulderEntity:
-            return False
-        if self.unlocked:
-            other._relative_move(dx, dy)
-
-player = None
diff --git a/src/scripts/cos_tiles.py b/src/scripts/cos_tiles.py
new file mode 100644
index 0000000..d7cb57b
--- /dev/null
+++ b/src/scripts/cos_tiles.py
@@ -0,0 +1,223 @@
+tiles = {}
+deltas = [
+        (-1, -1), ( 0, -1), (+1, -1),
+        (-1,  0), ( 0,  0), (+1,  0),
+        (-1, +1), ( 0, +1), (+1, +1)
+        ]
+
+class TileInfo:
+    GROUND, WALL, DONTCARE = True, False, None
+    chars = {
+            "X": WALL, 
+            "_": GROUND,
+            "?": DONTCARE
+            }
+    symbols = {v: k for k, v in chars.items()}
+
+    def __init__(self, values:dict):
+        self._values = values
+        self.rules = []
+        self.chance = 1.0
+
+    @staticmethod
+    def from_grid(grid, xy:tuple):
+        values = {}
+        for d in deltas:
+            tx, ty = d[0] + xy[0], d[1] + xy[1]
+            try:
+                values[d] = grid.at((tx, ty)).walkable
+            except ValueError:
+                values[d] = True
+        return TileInfo(values)
+
+    @staticmethod
+    def from_string(s):
+        values = {}
+        for d, c in zip(deltas, s):
+            values[d] = TileInfo.chars[c]
+        return TileInfo(values)
+
+    def __hash__(self):
+        """for use as a dictionary key"""
+        return hash(tuple(self._values.items()))
+
+    def match(self, other:"TileInfo"):
+        for d, rule in self._values.items():
+            if rule is TileInfo.DONTCARE: continue
+            if other._values[d] is TileInfo.DONTCARE: continue
+            if rule != other._values[d]: return False
+        return True
+
+    def show(self):
+        nine = ['', '', '\n'] * 3
+        for k, end in zip(deltas, nine):
+            c = TileInfo.symbols[self._values[k]]
+            print(c, end=end)
+
+    def __repr__(self):
+        return f"<TileInfo {self._values}>"
+
+cardinal_directions = {
+    "N": ( 0, -1),
+    "S": ( 0, +1),
+    "E": (-1,  0),
+    "W": (+1,  0)
+}
+
+def special_rule_verify(rule, grid, xy, unverified_tiles, pass_unverified=False):
+    cardinal, allowed_tile = rule
+    dxy = cardinal_directions[cardinal.upper()]
+    tx, ty = xy[0] + dxy[0], xy[1] + dxy[1]
+    #print(f"Special rule: {cardinal} {allowed_tile} {type(allowed_tile)} -> ({tx}, {ty}) [{grid.at((tx, ty)).tilesprite}]{'*' if (tx, ty) in unverified_tiles else ''}")
+    if (tx, ty) in unverified_tiles and cardinal in "nsew": return pass_unverified
+    try:
+        return grid.at((tx, ty)).tilesprite == allowed_tile
+    except ValueError:
+        return False
+
+import random
+tile_of_last_resort = 431
+
+def find_possible_tiles(grid, x, y, unverified_tiles=None, pass_unverified=False):
+    ti = TileInfo.from_grid(grid, (x, y))
+    if unverified_tiles is None: unverified_tiles = []
+    matches = [(k, v) for k, v in tiles.items() if k.match(ti)]
+    if not matches:
+        return []
+    possible = []
+    if not any([tileinfo.rules for tileinfo, _ in matches]):
+        # make weighted choice, as the tile does not depend on verification
+        wts = [k.chance for k, v in matches]
+        tileinfo, tile = random.choices(matches, weights=wts)[0]
+        return [tile]
+
+    for tileinfo, tile in matches:
+        if not tileinfo.rules:
+            possible.append(tile)
+            continue
+        for r in tileinfo.rules: #for r in ...: if ... continue == more readable than an "any" 1-liner
+            p = special_rule_verify(r, grid, (x,y),
+                                    unverified_tiles=unverified_tiles,
+                                    pass_unverified = pass_unverified
+                                    )
+            if p: 
+                possible.append(tile)
+                continue
+    return list(set(list(possible)))
+
+def wfc_first_pass(grid):
+    w, h = grid.grid_size
+    possibilities = {}
+    for x in range(0, w):
+        for y in range(0, h):
+            matches = find_possible_tiles(grid, x, y, pass_unverified=True)
+            if len(matches) == 0:
+                grid.at((x, y)).tilesprite = tile_of_last_resort
+                possibilities[(x,y)] = matches
+            elif len(matches) == 1:
+                grid.at((x, y)).tilesprite = matches[0]
+            else:
+                possibilities[(x,y)] = matches
+    return possibilities
+
+def wfc_pass(grid, possibilities=None):
+    w, h = grid.grid_size
+    if possibilities is None:
+        #print("first pass results:")
+        possibilities = wfc_first_pass(grid)
+        counts = {}
+        for v in possibilities.values():
+            if len(v) in counts: counts[len(v)] += 1
+            else: counts[len(v)] = 1
+        print(counts)
+        return possibilities
+    elif len(possibilities) == 0:
+        print("We're done!")
+        return
+    old_possibilities = possibilities
+    possibilities = {}
+    for (x, y) in old_possibilities.keys():
+        matches = find_possible_tiles(grid, x, y, unverified_tiles=old_possibilities.keys(), pass_unverified = True)
+        if len(matches) == 0:
+            print((x,y), matches)
+            grid.at((x, y)).tilesprite = tile_of_last_resort
+            possibilities[(x,y)] = matches
+        elif len(matches) == 1:
+            grid.at((x, y)).tilesprite = matches[0]
+        else:
+            grid.at((x, y)).tilesprite = -1
+            grid.at((x, y)).color = (32 * len(matches), 32 * len(matches), 32 * len(matches))
+            possibilities[(x,y)] = matches
+
+    if len(possibilities) == len(old_possibilities):
+        #print("No more tiles could be solved without collapse")
+        counts = {}
+        for v in possibilities.values():
+            if len(v) in counts: counts[len(v)] += 1
+            else: counts[len(v)] = 1
+        #print(counts)
+        if 0 in counts: del counts[0]
+        if len(counts) == 0:
+            print("Contrats! You broke it! (insufficient tile defs to solve remaining tiles)")
+            return []
+        target = min(list(counts.keys()))
+        while possibilities:
+            for (x, y) in possibilities.keys():
+                if len(possibilities[(x, y)]) != target:
+                    continue
+                ti = TileInfo.from_grid(grid, (x, y))
+                matches = [(k, v) for k, v in tiles.items() if k.match(ti)]
+                verifiable_matches = find_possible_tiles(grid, x, y, unverified_tiles=possibilities.keys())
+                if not verifiable_matches: continue
+                #print(f"collapsing {(x, y)} ({target} choices)")
+                matches = [(k, v) for k, v in matches if v in verifiable_matches]
+                wts = [k.chance for k, v in matches]
+                tileinfo, tile = random.choices(matches, weights=wts)[0]
+                grid.at((x, y)).tilesprite = tile
+                del possibilities[(x, y)]
+                break
+            else:
+                selected = random.choice(list(possibilities.keys()))
+                #print(f"No tiles have verifable solutions: QUANTUM -> {selected}")
+                # sprinkle some quantumness on it
+                ti = TileInfo.from_grid(grid, (x, y))
+                matches = [(k, v) for k, v in tiles.items() if k.match(ti)]
+                wts = [k.chance for k, v in matches]
+                if not wts:
+                    print(f"This one: {(x,y)} {matches}\n{wts}")
+                    del possibilities[(x, y)]
+                    return possibilities
+                tileinfo, tile = random.choices(matches, weights=wts)[0]
+                grid.at((x, y)).tilesprite = tile
+                del possibilities[(x, y)]
+                
+    return possibilities
+
+#with open("scripts/tile_def.txt", "r") as f:
+with open("scripts/simple_tiles.txt", "r") as f:
+    for block in f.read().split('\n\n'):
+        info, constraints = block.split('\n', 1)
+        if '#' in info:
+            info, comment = info.split('#', 1)
+        rules = []
+        if '@' in info:
+            info, *block_rules = info.split('@')
+            #print(block_rules)
+            for r in block_rules:
+                rules.append((r[0], int(r[1:])))
+            #cardinal_dir = block_rules[0]
+            #partner
+        if ':' not in info:
+            tile_id = int(info)
+            chance = 1.0
+        else:
+            tile_id, chance = info.split(':')
+            tile_id = int(tile_id)
+            chance = float(chance.strip())
+        constraints = constraints.replace('\n', '')
+        k = TileInfo.from_string(constraints)
+        k.rules = rules
+        k.chance = chance
+        tiles[k] = tile_id
+
+
diff --git a/src/scripts/game.py b/src/scripts/game.py
index 43989b3..b6ce058 100644
--- a/src/scripts/game.py
+++ b/src/scripts/game.py
@@ -1,98 +1,109 @@
 import mcrfpy
+#t = mcrfpy.Texture("assets/kenney_tinydungeon.png", 16, 16) # 12, 11)
+#t = mcrfpy.Texture("assets/kenney_TD_MR_IP.png", 16, 16) # 12, 11)
 font = mcrfpy.Font("assets/JetbrainsMono.ttf")
-texture = mcrfpy.Texture("assets/kenney_tinydungeon.png", 16, 16)
 
-print("[game.py] Default texture:")
-print(mcrfpy.default_texture)
-print(type(mcrfpy.default_texture))
+frame_color = (64, 64, 128)
 
-# build test widgets
-
-mcrfpy.createScene("pytest")
-mcrfpy.setScene("pytest")
-ui = mcrfpy.sceneUI("pytest")
-
-# Frame
-f = mcrfpy.Frame(25, 19, 462, 346, fill_color=(255, 92, 92))
-print("Frame alive")
-# fill (LinkedColor / Color):    f.fill_color
-# outline (LinkedColor / Color): f.outline_color
-# pos (LinkedVector / Vector):   f.pos
-# size (LinkedVector / Vector):  f.size
-
-# Caption
-print("Caption attempt w/ fill_color:")
-#c = mcrfpy.Caption(512+25, 19, "Hi.", font)
-#c = mcrfpy.Caption(512+25, 19, "Hi.", font, fill_color=(255, 128, 128))
-c = mcrfpy.Caption(512+25, 19, "Hi.", font, fill_color=mcrfpy.Color(255, 128, 128), outline_color=(128, 255, 128))
-print("Caption alive")
-# fill (LinkedColor / Color):    c.fill_color
-#color_val = c.fill_color
-print(c.fill_color)
-#print("Set a fill color")
-#c.fill_color = (255, 255, 255)
-print("Lol, did it segfault?")
-# outline (LinkedColor / Color): c.outline_color
-# font (Font):                   c.font
-# pos (LinkedVector / Vector):   c.pos
-
-# Sprite
-s = mcrfpy.Sprite(25, 384+19, texture, 86, 9.0)
-# pos (LinkedVector / Vector):   s.pos
-# texture (Texture):             s.texture
-s.click = lambda *args, **kwargs: print("clicky", args, kwargs)
-
-# Grid
-g = mcrfpy.Grid(10, 10, texture, 512+25, 384+19, 462, 346)
-# texture (Texture):             g.texture
-# pos (LinkedVector / Vector):   g.pos
-# size (LinkedVector / Vector):  g.size
-
-for _x in range(10):
-    for _y in range(10):
-        g.at((_x, _y)).color = (255 - _x*25, 255 - _y*25, 255)
-g.zoom = 2.0
-
-[ui.append(d) for d in (f, c, s, g)]
-
-# Entity
-e = mcrfpy.Entity(5, 5, mcrfpy.default_texture, 86)
-e.pos = e.draw_pos # TODO - sync draw/collision positions on init
-g.entities.append(e)
 import random
-def wander(*args, **kwargs):
-    p = e.pos
-    new_p = (p[0] + random.randint(-1, 1), p[1] + random.randint(-1, 1))
-    if g.grid_size[0] >= new_p[0] >= 0 and g.grid_size[1] >= new_p[1] >= 0:
-        e.pos = new_p
-    #print(e.pos)
+import cos_entities as ce
+import cos_level as cl
+#import cos_tiles as ct
 
-mcrfpy.setTimer("wander", wander, 400)
+class Crypt:
+    def __init__(self):
+        mcrfpy.createScene("play")
+        self.ui = mcrfpy.sceneUI("play")
+        mcrfpy.setScene("play")
+        mcrfpy.keypressScene(self.cos_keys)
 
-last_anim = None
-def anim(t, *args, **kwargs):
-    global last_anim
-    if last_anim is None:
-        last_anim = t
-        return
-    duration = t - last_anim
+        entity_frame = mcrfpy.Frame(815, 10, 194, 595, fill_color = frame_color)
+        inventory_frame = mcrfpy.Frame(10, 610, 800, 143, fill_color = frame_color)
+        stats_frame = mcrfpy.Frame(815, 610, 194, 143, fill_color = frame_color)
 
-    entity_speed = 1 / 250 # 250 milliseconds to move one square
-    if e.pos == e.draw_pos:
-        return
-    tx, ty = e.pos #"target" position - entity is already occupying that spot, animate them moving there.
-    dx, dy = e.draw_pos #"draw" position
-    newx = tx if (abs(dx - tx) < entity_speed * duration) else entity_speed * duration
-    if tx < dx: newx *= -1
-    newy = ty if (abs(dy - ty) < entity_speed * duration) else entity_speed * duration
-    if ty < dy: newx *= -1
+        #self.level = cl.Level(30, 23)
+        self.entities = []
+        self.depth=1
+        self.create_level(self.depth)
+        #self.grid = mcrfpy.Grid(20, 15, t, (10, 10), (1014, 758))
+        self.player = ce.PlayerEntity(game=self)
+        self.swap_level(self.level, self.spawn_point)
 
-    print(f"({dx}, {dy}) -> ({tx}, {ty}) = ({newx}, {newy}) ; @{entity_speed} * {duration} = {entity_speed * duration}")
-    e.draw_pos = (newx, newy)
+        # Test Entities
+        #ce.BoulderEntity(9, 7, game=self)
+        #ce.BoulderEntity(9, 8, game=self)
+        #ce.ExitEntity(12, 6, 14, 4, game=self)
+        # scene setup
 
-mcrfpy.setTimer("anim", anim, 67)
 
-print("built!")
+        [self.ui.append(e) for e in (self.grid,)] # entity_frame, inventory_frame, stats_frame)]
 
-# tests
+        self.possibilities = None # track WFC possibilities between rounds
 
+    def add_entity(self, e:ce.COSEntity):
+        self.entities.append(e)
+        self.entities.sort(key = lambda e: e.draw_order, reverse=False)
+        # hack / workaround for grid.entities not interable
+        while len(self.grid.entities): # while there are entities on the grid,
+            self.grid.entities.remove(0) # remove the 1st ("0th")
+        for e in self.entities:
+            self.grid.entities.append(e._entity)
+
+    def create_level(self, depth):
+        #if depth < 3:
+        #    features = None
+        self.level = cl.Level(30, 23)
+        self.grid = self.level.grid
+        coords = self.level.generate()
+        self.entities = []
+        for k, v in coords.items():
+            if k == "spawn":
+                self.spawn_point = v
+            elif k == "boulder":
+                ce.BoulderEntity(v[0], v[1], game=self)
+            elif k == "button":
+                pass
+            elif k == "exit":
+                ce.ExitEntity(v[0], v[1], coords["button"][0], coords["button"][1], game=self)
+
+    def cos_keys(self, key, state):
+        d = None
+        if state == "end": return
+        elif key == "W": d = (0, -1)
+        elif key == "A": d = (-1, 0)
+        elif key == "S": d = (0, 1)
+        elif key == "D": d = (1, 0)
+        elif key == "M": self.level.generate()
+        elif key == "R":
+            self.level.reset()
+            self.possibilities = None
+        elif key == "T":
+            self.level.split()
+            self.possibilities = None
+        elif key == "Y": self.level.split(single=True)
+        elif key == "U": self.level.highlight(+1)
+        elif key == "I": self.level.highlight(-1)
+        elif key == "O":
+            self.level.wall_rooms()
+            self.possibilities = None
+        #elif key == "P": ct.format_tiles(self.grid)
+        elif key == "P":
+            self.possibilities = ct.wfc_pass(self.grid, self.possibilities)
+        if d: self.player.try_move(*d)
+
+    def swap_level(self, new_level, spawn_point):
+        self.level = new_level
+        self.grid = self.level.grid
+        self.grid.zoom = 2.0
+        # TODO, make an entity mover function
+        self.add_entity(self.player)
+        self.player.grid = self.grid
+        self.player.draw_pos = spawn_point
+        self.grid.entities.append(self.player._entity)
+        try:
+            self.ui.remove(0)
+        except:
+            pass
+        self.ui.append(self.grid)
+
+crypt = Crypt()
diff --git a/src/scripts/game_old.py b/src/scripts/game_old.py
deleted file mode 100644
index 2975588..0000000
--- a/src/scripts/game_old.py
+++ /dev/null
@@ -1,221 +0,0 @@
-#print("Hello mcrogueface")
-import mcrfpy
-import cos_play
-# Universal stuff
-font = mcrfpy.Font("assets/JetbrainsMono.ttf")
-texture = mcrfpy.Texture("assets/kenney_tinydungeon.png", 16, 16) #12, 11)
-texture_cold = mcrfpy.Texture("assets/kenney_ice.png", 16, 16) #12, 11)
-texture_hot = mcrfpy.Texture("assets/kenney_lava.png", 16, 16) #12, 11)
-
-# Test stuff
-mcrfpy.createScene("boom")
-mcrfpy.setScene("boom")
-ui = mcrfpy.sceneUI("boom")
-box = mcrfpy.Frame(40, 60, 200, 300, fill_color=(255,128,0), outline=4.0, outline_color=(64,64,255,96))
-ui.append(box)
-
-#caption = mcrfpy.Caption(10, 10, "Clicky", font, (255, 255, 255, 255), (0, 0, 0, 255))
-#box.click = lambda x, y, btn, type: print("Hello callback: ", x, y, btn, type)
-#box.children.append(caption)
-
-test_sprite_number = 86 
-sprite = mcrfpy.Sprite(20, 60, texture, test_sprite_number, 4.0)
-spritecap = mcrfpy.Caption(5, 5, "60", font)
-def click_sprite(x, y, btn, action):
-    global test_sprite_number
-    if action != "start": return
-    if btn in ("left", "wheel_up"):
-        test_sprite_number -= 1
-    elif btn in ("right", "wheel_down"):
-        test_sprite_number += 1
-    sprite.sprite_number = test_sprite_number # TODO - inconsistent naming for __init__, __repr__ and getsetter: sprite_number vs sprite_index
-    spritecap.text = test_sprite_number
-
-sprite.click = click_sprite # TODO - sprites don't seem to correct for screen position or scale when clicking
-box.children.append(sprite)
-box.children.append(spritecap)
-box.click = click_sprite
-
-f_a = mcrfpy.Frame(250, 60, 80, 80, fill_color=(255, 92, 92))
-f_a_txt = mcrfpy.Caption(5, 5, "0", font)
-
-f_b = mcrfpy.Frame(340, 60, 80, 80, fill_color=(92, 255, 92))
-f_b_txt = mcrfpy.Caption(5, 5, "0", font)
-
-f_c = mcrfpy.Frame(430, 60, 80, 80, fill_color=(92, 92, 255))
-f_c_txt = mcrfpy.Caption(5, 5, "0", font)
-
-
-ui.append(f_a)
-f_a.children.append(f_a_txt)
-ui.append(f_b)
-f_b.children.append(f_b_txt)
-ui.append(f_c)
-f_c.children.append(f_c_txt)
-
-import sys
-def ding(*args):
-    f_a_txt.text = str(sys.getrefcount(ding)) + " refs"
-    f_b_txt.text = sys.getrefcount(dong)
-    f_c_txt.text = sys.getrefcount(stress_test)
-
-def dong(*args):
-    f_a_txt.text = str(sys.getrefcount(ding)) + " refs"
-    f_b_txt.text = sys.getrefcount(dong)
-    f_c_txt.text = sys.getrefcount(stress_test)
-
-running = False
-timers = []
-
-def add_ding():
-    global timers
-    n = len(timers)
-    mcrfpy.setTimer(f"timer{n}", ding, 100)
-    print("+1 ding:", timers)
-
-def add_dong():
-    global timers
-    n = len(timers)
-    mcrfpy.setTimer(f"timer{n}", dong, 100)
-    print("+1 dong:", timers)
-
-def remove_random():
-    global timers
-    target = random.choice(timers)
-    print("-1 timer:", target)
-    print("remove from list")
-    timers.remove(target)
-    print("delTimer")
-    mcrfpy.delTimer(target)
-    print("done")
-
-import random
-import time
-def stress_test(*args):
-    global running
-    global timers
-    if not running:
-        print("stress test initial")
-        running = True
-        timers.append("recurse")
-        add_ding()
-        add_dong()
-        mcrfpy.setTimer("recurse", stress_test, 1000)
-        mcrfpy.setTimer("terminate", lambda *args: mcrfpy.delTimer("recurse"), 30000)
-        ding(); dong()
-    else:
-        #print("stress test random activity")
-        #random.choice([
-        #    add_ding,
-        #    add_dong,
-        #    remove_random
-        #    ])()
-        #print(timers)
-        print("Segfaultin' time")
-        mcrfpy.delTimer("recurse")
-        print("Does this still work?")
-        time.sleep(0.5)
-        print("How about now?")
-
-
-stress_test()
-
-
-# Loading Screen
-mcrfpy.createScene("loading")
-ui = mcrfpy.sceneUI("loading")
-#mcrfpy.setScene("loading")
-logo_texture = mcrfpy.Texture("assets/temp_logo.png", 1024, 1024)#1, 1)
-logo_sprite = mcrfpy.Sprite(50, 50, logo_texture, 0, 0.5)
-ui.append(logo_sprite)
-logo_sprite.click = lambda *args: mcrfpy.setScene("menu")
-logo_caption = mcrfpy.Caption(70, 600, "Click to Proceed", font, (255, 0, 0, 255), (0, 0, 0, 255))
-#logo_caption.fill_color =(255, 0, 0, 255)
-ui.append(logo_caption)
-
-
-# menu screen
-mcrfpy.createScene("menu")
-
-for e in [
-    mcrfpy.Caption(10, 10, "Crypt of Sokoban", font, (255, 255, 255), (0, 0, 0)),
-    mcrfpy.Caption(20, 55, "a McRogueFace demo project", font, (192, 192, 192), (0, 0, 0)),
-    mcrfpy.Frame(15, 70, 150, 60, fill_color=(64, 64, 128)),
-    mcrfpy.Frame(15, 145, 150, 60, fill_color=(64, 64, 128)),
-    mcrfpy.Frame(15, 220, 150, 60, fill_color=(64, 64, 128)),
-    mcrfpy.Frame(15, 295, 150, 60, fill_color=(64, 64, 128)),
-    #mcrfpy.Frame(900, 10, 100, 100, fill_color=(255, 0, 0)),
-    ]:
-    mcrfpy.sceneUI("menu").append(e)
-
-def click_once(fn):
-    def wraps(*args, **kwargs):
-        #print(args)
-        action = args[3]
-        if action != "start": return
-        return fn(*args, **kwargs)
-    return wraps
-
-@click_once
-def asdf(x, y, btn, action):
-    print(f"clicky @({x},{y}) {action}->{btn}")
-
-@click_once
-def clicked_exit(*args):
-    mcrfpy.exit()
-
-menu_btns = [
-    ("Boom", lambda *args: 1 / 0),
-    ("Exit", clicked_exit), 
-    ("About", lambda *args: mcrfpy.setScene("about")), 
-    ("Settings", lambda *args: mcrfpy.setScene("settings")), 
-    ("Start", lambda *args: mcrfpy.setScene("play"))
-    ]
-for i in range(len(mcrfpy.sceneUI("menu"))):
-    e = mcrfpy.sceneUI("menu")[i] # TODO - fix iterator
-    #print(e, type(e))
-    if type(e) is not mcrfpy.Frame: continue
-    label, fn = menu_btns.pop()
-    #print(label)
-    e.children.append(mcrfpy.Caption(5, 5, label, font, (192, 192, 255), (0,0,0)))
-    e.click = fn
-
-
-# settings screen
-mcrfpy.createScene("settings")
-window_scaling = 1.0
-
-scale_caption = mcrfpy.Caption(180, 70, "1.0x", font, (255, 255, 255), (0, 0, 0))
-#scale_caption.fill_color = (255, 255, 255) # TODO - mcrfpy.Caption.__init__ is not setting colors
-for e in [
-    mcrfpy.Caption(10, 10, "Settings", font, (255, 255, 255), (0, 0, 0)),
-    mcrfpy.Frame(15, 70, 150, 60, fill_color=(64, 64, 128)), # +
-    mcrfpy.Frame(300, 70, 150, 60, fill_color=(64, 64, 128)), # -
-    mcrfpy.Frame(15, 295, 150, 60, fill_color=(64, 64, 128)),
-    scale_caption,
-    ]:
-    mcrfpy.sceneUI("settings").append(e)
-
-@click_once
-def game_scale(x, y, btn, action, delta):
-    global window_scaling
-    print(f"WIP - scale the window from {window_scaling:.1f} to {window_scaling+delta:.1f}")
-    window_scaling += delta
-    scale_caption.text = f"{window_scaling:.1f}x"
-    mcrfpy.setScale(window_scaling)
-    #mcrfpy.setScale(2)
-
-settings_btns = [
-    ("back", lambda *args: mcrfpy.setScene("menu")),
-    ("-", lambda x, y, btn, action: game_scale(x, y, btn, action, -0.1)),
-    ("+", lambda x, y, btn, action: game_scale(x, y, btn, action, +0.1))
-    ]
-
-for i in range(len(mcrfpy.sceneUI("settings"))):
-    e = mcrfpy.sceneUI("settings")[i] # TODO - fix iterator
-    #print(e, type(e))
-    if type(e) is not mcrfpy.Frame: continue
-    label, fn = settings_btns.pop()
-    #print(label, fn)
-    e.children.append(mcrfpy.Caption(5, 5, label, font, (192, 192, 255), (0,0,0)))
-    e.click = fn