diff --git a/src/glyph_cache/glyph_cache.c b/src/glyph_cache/glyph_cache.c
index 978dcd2e..f0de7b5d 100644
--- a/src/glyph_cache/glyph_cache.c
+++ b/src/glyph_cache/glyph_cache.c
@@ -330,7 +330,7 @@ void GC_TickAsync(WaveLaneCtx *lane, AsyncFrameLaneCtx *base_async_lane_frame)
             atlas->cur_pos.y += atlas->cur_row_height;
             atlas->cur_row_height = 0;
           }
-          if (atlas->cur_pos.x + image_dims.x < atlas->dims.x && atlas->cur_pos.y + image_dims.y < atlas->dims.y)
+          if (atlas->cur_pos.x + image_dims.x <= atlas->dims.x && atlas->cur_pos.y + image_dims.y <= atlas->dims.y)
           {
             pos_in_atlas = atlas->cur_pos;
             atlas->cur_row_height = MaxI32(atlas->cur_row_height, image_dims.y);
diff --git a/src/pp/pp.c b/src/pp/pp.c
index abd804af..500db2b4 100644
--- a/src/pp/pp.c
+++ b/src/pp/pp.c
@@ -1351,7 +1351,7 @@ P_Space P_SpaceFromWalls(Arena *arena, P_Frame *frame)
 
   GenWall *first_wall = 0;
 
-  //- Generate horizontal walls
+  //- Generate horizontal tile walls
   for (i32 tile_y = 0; tile_y < P_TilesPitch + 1; ++tile_y)
   {
     i32 wall_start = -1;
@@ -1396,7 +1396,7 @@ P_Space P_SpaceFromWalls(Arena *arena, P_Frame *frame)
     }
   }
 
-  //- Generate vertical walls
+  //- Generate vertical tile walls
   for (i32 tile_x = 0; tile_x < P_TilesPitch + 1; ++tile_x)
   {
     i32 wall_start = -1;
@@ -1441,6 +1441,42 @@ P_Space P_SpaceFromWalls(Arena *arena, P_Frame *frame)
     }
   }
 
+  //- Generate world edge walls
+  {
+    {
+      // Top
+      GenWall *wall = PushStruct(scratch.arena, GenWall);
+      SllStackPush(first_wall, wall);
+      wall->dir = WallDir_Down;
+      wall->start = VEC2I32(0, 0);
+      wall->end = VEC2I32(P_TilesPitch, 0);
+    }
+    // Bottom
+    {
+      GenWall *wall = PushStruct(scratch.arena, GenWall);
+      SllStackPush(first_wall, wall);
+      wall->dir = WallDir_Up;
+      wall->start = VEC2I32(0, P_TilesPitch);
+      wall->end = VEC2I32(P_TilesPitch, P_TilesPitch);
+    }
+    // Left
+    {
+      GenWall *wall = PushStruct(scratch.arena, GenWall);
+      SllStackPush(first_wall, wall);
+      wall->dir = WallDir_Right;
+      wall->start = VEC2I32(0, 0);
+      wall->end = VEC2I32(0, P_TilesPitch);
+    }
+    // Right
+    {
+      GenWall *wall = PushStruct(scratch.arena, GenWall);
+      SllStackPush(first_wall, wall);
+      wall->dir = WallDir_Left;
+      wall->start = VEC2I32(P_TilesPitch, 0);
+      wall->end = VEC2I32(P_TilesPitch, P_TilesPitch);
+    }
+  }
+
   //- Push walls to space
   for (GenWall *wall = first_wall; wall; wall = wall->next)
   {
diff --git a/src/pp/pp_vis/pp_vis_core.c b/src/pp/pp_vis/pp_vis_core.c
index 328393fe..6500983f 100644
--- a/src/pp/pp_vis/pp_vis_core.c
+++ b/src/pp/pp_vis/pp_vis_core.c
@@ -4753,7 +4753,7 @@ void V_TickForever(WaveLaneCtx *lane)
       //- Build gpu data
 
       // Backdrop
-      frame->backdrop_parallax = TweakFloat("Backdrop parallax", 10, 0, 20);
+      frame->backdrop_parallax = TweakFloat("Backdrop parallax", 4, 0, 20);
       {
         SPR_SheetKey sheet = SPR_SheetKeyFromResource(ResourceKeyFromStore(&P_Resources, Lit("backdrop.ase")));
         SPR_Sprite sprite = SPR_SpriteFromSheet(sheet, SPR_NilSpanKey, 0);
diff --git a/src/sprite/sprite.c b/src/sprite/sprite.c
index 88e940bd..902d61ad 100644
--- a/src/sprite/sprite.c
+++ b/src/sprite/sprite.c
@@ -453,7 +453,7 @@ void SPR_TickAsync(WaveLaneCtx *lane, AsyncFrameLaneCtx *base_async_lane_frame)
             atlas->cur_pos.y += atlas->cur_row_height;
             atlas->cur_row_height = 0;
           }
-          if (atlas->cur_pos.x + slice_dims.x < atlas->dims.x && atlas->cur_pos.y + slice_dims.y < atlas->dims.y)
+          if (atlas->cur_pos.x + slice_dims.x <= atlas->dims.x && atlas->cur_pos.y + slice_dims.y <= atlas->dims.y)
           {
             atlas_pos = atlas->cur_pos;
             atlas->cur_row_height = MaxI32(atlas->cur_row_height, slice_dims.y);