diff --git a/g.py b/g.py
index 8f18308..52bf2ab 100644
--- a/g.py
+++ b/g.py
@@ -7,6 +7,7 @@ import tcod.context
 import tcod.ecs
 
 import game.state
+from game.components import Position
 
 context: tcod.context.Context
 """The window managed by tcod."""
@@ -17,7 +18,7 @@ world: tcod.ecs.Registry
 world_map: tcod.map.Map
 """Wall Map of current World"""
 
-world_center: tuple[int,int] = (50, 50)
+world_center: tuple[int,int] = Position(50, 50)
 
 states: list[game.state.State] = []
 """A stack of states with the last item being the active state."""
diff --git a/game/states.py b/game/states.py
index 50dc67b..181a13c 100644
--- a/game/states.py
+++ b/game/states.py
@@ -15,7 +15,7 @@ import game.world_tools
 from game.components import Gold, Graphic, Position
 from game.constants import DIRECTION_KEYS, ACTION_KEYS
 from game.state import Push, Reset, State, StateResult
-from game.tags import IsItem, IsPlayer, IsWall, IsDoor, IsActor
+from game.tags import IsItem, IsPlayer, IsDoor, IsActor
 from game.constants import WALL_CHAR
 
 @attrs.define()
@@ -34,7 +34,7 @@ class InGame(State):
                 raise SystemExit()
             case tcod.event.KeyDown(sym=sym) if sym in DIRECTION_KEYS:
                 new_pos = player.components[Position] + DIRECTION_KEYS[sym]
-                if not g.world_map.walkable[g.world_center[1]+new_pos.y][g.world_center[0]+new_pos.x]:
+                if not g.world_map.walkable[g.world_center.y+new_pos.y][g.world_center.x+new_pos.x]:
                     return None
                 player.components[Position] = new_pos
                 # Auto pickup gold
diff --git a/game/tags.py b/game/tags.py
index 954fb52..bfbbe7c 100644
--- a/game/tags.py
+++ b/game/tags.py
@@ -13,8 +13,5 @@ IsActor: Final = "IsActor"
 IsItem: Final = "IsItem"
 """Entity is an item."""
 
-IsWall: Final = "IsWall"
-"""Entity is a wall."""
-
 IsDoor: Final = "IsDoor"
 """Entiy is a door."""
diff --git a/game/world_tools.py b/game/world_tools.py
index 6eb0df1..65b93c7 100644
--- a/game/world_tools.py
+++ b/game/world_tools.py
@@ -10,17 +10,18 @@ from tcod.ecs import Registry, Entity
 from tcod.map import Map
 
 from game.components import Gold, Graphic, Position
-from game.tags import IsActor, IsItem, IsPlayer, IsWall, IsDoor
+from game.tags import IsActor, IsItem, IsPlayer, IsDoor
 
-def add_wall(x, y, remove=False):
-    g.world_map.walkable[50+y][50+x] = remove
+def add_wall(pos, remove=False):
+    r_pos = g.world_center + pos
+    g.world_map.walkable[r_pos.y][r_pos.x] = remove
 
-def add_door(x, y):
+def add_door(pos):
     door = g.world[object()]
     door.tags.add(IsDoor)
-    door.components[Position] = Position(x,y)
+    door.components[Position] = pos
     door.components[Graphic] = Graphic(ord("\\"))
-    add_wall(x,y)
+    add_wall(pos)
 
 
 def new_world() -> Registry:
@@ -46,9 +47,9 @@ def new_world() -> Registry:
 
     for i in range(20):
         if i == 5 or i == 9:
-            add_door(10,i)
+            add_door(Position(10,i))
         else:
-            add_wall(10, i)
+            add_wall(Position(10, i))
 
     return world
 
@@ -57,4 +58,4 @@ def unlock_door(door: Entity):
     door.components[Graphic] = Graphic(ord("_"))
     door.tags.clear()
     pos = door.components[Position]
-    add_wall(pos.x,pos.y, remove=True)
+    add_wall(pos, remove=True)