diff --git a/assets/maps/wired.ldtk b/assets/maps/wired.ldtk
index c58fc31..32dc4ad 100644
--- a/assets/maps/wired.ldtk
+++ b/assets/maps/wired.ldtk
@@ -3610,6 +3610,20 @@
 									"params": [ true ]
 								}, null ] }
 							]
+						},
+						{
+							"__identifier": "Coin",
+							"__grid": [8,5],
+							"__pivot": [0,0],
+							"__tags": [],
+							"__tile": { "tilesetUid": 1, "x": 32, "y": 0, "w": 8, "h": 8 },
+							"__smartColor": "#E2D547",
+							"iid": "7c1eeee0-02f0-11ed-9529-a1263487e397",
+							"width": 8,
+							"height": 8,
+							"defUid": 61,
+							"px": [64,40],
+							"fieldInstances": []
 						}
 					]
 				},
diff --git a/src/game.zig b/src/game.zig
index 9322a6a..5d47fc8 100644
--- a/src/game.zig
+++ b/src/game.zig
@@ -141,7 +141,7 @@ fn randRangeF(min: f32, max: f32) f32 {
 }
 
 // Allocators
-var fba_buf: [8192]u8 = undefined;
+var fba_buf: [4096]u8 = undefined;
 var fba = std.heap.FixedBufferAllocator.init(&fba_buf);
 var alloc = fba.allocator();
 
@@ -149,7 +149,7 @@ var frame_fba_buf: [8192]u8 = undefined;
 var frame_fba = std.heap.FixedBufferAllocator.init(&frame_fba_buf);
 var frame_alloc = frame_fba.allocator();
 
-var db_fba_buf: [2046]u8 = undefined;
+var db_fba_buf: [4096]u8 = undefined;
 var db_fba = std.heap.FixedBufferAllocator.init(&db_fba_buf);
 var db_alloc = db_fba.allocator();
 
@@ -357,7 +357,7 @@ fn moveLevel(direction: enum { L, R, U, D }) !void {
             const lvl = db.findLevel(x, y) orelse return error.NoLevelUp;
 
             try loadLevel(lvl);
-            player.pos.pos[1] = 160;
+            player.pos.pos[1] = 159;
         },
         .D => {
             const x = level.world_x;
@@ -365,7 +365,7 @@ fn moveLevel(direction: enum { L, R, U, D }) !void {
             const lvl = db.findLevel(x, y) orelse return error.NoLevelDown;
 
             try loadLevel(lvl);
-            player.pos.pos[1] = @intToFloat(f32, player.sprite.size[1]);
+            player.pos.pos[1] = @intToFloat(f32, player.sprite.size[1]) - 4;
         },
     }
     player.pos.last = player.pos.pos - velocity;
@@ -439,7 +439,7 @@ pub fn update(time: usize) !State {
     if (player.pos.pos[0] > 160 - 4) try moveLevel(.R);
     if (player.pos.pos[0] < 4) try moveLevel(.L);
     if (player.pos.pos[1] > 160) try moveLevel(.D);
-    if (player.pos.pos[1] < 8) try moveLevel(.U);
+    if (player.pos.pos[1] < 4) try moveLevel(.U);
 
     try kinematicProcess(1, &player.pos, &player.kinematic);
     controlAnimProcess(1, &player.sprite, &player.controlAnim, &player.control);
@@ -461,7 +461,8 @@ pub fn update(time: usize) !State {
                 try remove.append(i);
                 music.playCollect(score);
                 shouldSave = true;
-                const coord = world.Coordinate.fromVec2(util.world2cell(coin.pos.pos));
+                const levelc = world.Coordinate.fromWorld(level.world_x, level.world_y);
+                const coord = world.Coordinate.fromVec2(util.world2cell(coin.pos.pos)).addC(levelc);
                 db.collectCoin(coord);
             }
         }
@@ -713,7 +714,7 @@ fn manipulationProcess(pos: *Pos, control: *Control) !void {
                         };
                         const x = level.world_x * 20 + @intCast(i16, cell[0]);
                         const y = level.world_y * 20 + @intCast(i16, cell[1]);
-                        w4.tracef("---- Updating switch (%d, %d)", x, y);
+
                         db.setSwitch(Coord.init(.{ x, y }), new_state);
                     }
                     try updateCircuit();
@@ -744,8 +745,6 @@ fn updateCircuit() !void {
             @intCast(i16, cellEnd[1]),
         }).addC(topleft);
 
-        w4.tracef("p1 %d, %d \t p2 %d, %d", p1.val[0], p1.val[1], p2.val[0], p2.val[1]);
-
         db.connectPlugs(p1, p2) catch {
             w4.tracef("connect plugs error");
         };
diff --git a/src/map.zig b/src/map.zig
index 6ec7391..6dacb38 100644
--- a/src/map.zig
+++ b/src/map.zig
@@ -73,7 +73,7 @@ pub fn set_cell(this: *@This(), cell: Cell, tile: u8) !void {
 pub fn get_cell(this: @This(), cell: Cell) ?u8 {
     const x = cell[0];
     const y = cell[1];
-    if (x < 0 or x > this.map_size[0] or y < 0 or y > this.map_size[1]) return null;
+    if (x < 0 or x >= this.map_size[0] or y < 0 or y >= this.map_size[1]) return null;
     const i = x + y * this.map_size[0];
     return this.tiles[@intCast(u32, i)];
 }
@@ -106,7 +106,7 @@ pub fn draw(this: @This(), offset: Vec2) void {
 
 /// pos should be in tile coordinates, not world coordinates
 fn getTile(this: @This(), x: i32, y: i32) ?u8 {
-    if (x < 0 or x > this.map_size[0] or y < 0 or y > this.map_size[1]) return null;
+    if (x < 0 or x >= this.map_size[0] or y < 0 or y >= this.map_size[1]) return null;
     const i = x + y * this.map_size[0];
     return this.tiles[@intCast(u32, i)];
 }