diff --git a/game/src/levels/dev.fnl b/game/src/levels/dev.fnl
index 10ce7b4..3f8c095 100644
--- a/game/src/levels/dev.fnl
+++ b/game/src/levels/dev.fnl
@@ -8,6 +8,7 @@
 (local walls (require "src/systems/walls.fnl"))
 (local hud (require "src/systems/hud.fnl"))
 (local levels (require "levels.fnl"))
+(local fog-of-war (require "src/systems/fog_of_war.fnl"))
 (local info-pad (require "src/entities/info-pad.fnl"))
 
 ; TODO: refactor the args away. create a load method and get them from self.pool
@@ -24,39 +25,6 @@
     (when (= group-name :hitbox)
       (self.pool.data.bump-world:add entity (unpack entity.hitbox))))
 
-(lambda fog-on-war []
-  (local system {
-    :cells []
-    })
-  (lambda system.load [self]
-    (let [tiles (. levels :levels self.pool.data.level-key :tiles)
-          rows-of-tiles (length tiles)
-          cols-of-tiles (length (. tiles 1))
-          rows (+ 200 rows-of-tiles) ; 100 rows of padding above the tiles
-          cols (+ 200 cols-of-tiles) ; 100 cols of padding on the sides
-          x (- 0 (* 25 100)) ; offset 100 tiles left
-          y (- 0 (* 25 100)) ; offset 100 tiles up
-          ]
-    (for [row 0 rows]
-      (for [col 0 cols]
-        (table.insert self.cells {:x (+ x (* col 25)) :y (+ y (* row 25))})))
-
-    (each [_ cell (pairs self.cells)]
-      (set cell.hit false)
-      (lambda cell.on-hit [cell-self]
-        (set cell-self.hit true))
-      (self.pool.data.bump-world:add cell cell.x cell.y 25 25))))
-
-  (lambda system.draw80 [self]
-    (color.set-color :dark-purple)
-    (each [_ cell (pairs self.cells)]
-      (when (= cell.hit false)
-        (love.graphics.rectangle :fill cell.x cell.y 25 25))))
-
-
-  system)
-
-
 ; (lambda register-notifications []
   ; (beholder.observe "PLAYER.HIT" (lambda [other]
   ;   (when (= other.object-type :info-pad)
@@ -91,7 +59,7 @@
         collider-manager
         camera
         walls
-        (fog-on-war)
+        fog-of-war
         (hud {: screen})
     ]
     })]
diff --git a/game/src/systems/fog_of_war.fnl b/game/src/systems/fog_of_war.fnl
new file mode 100644
index 0000000..0644c3f
--- /dev/null
+++ b/game/src/systems/fog_of_war.fnl
@@ -0,0 +1,34 @@
+(local color (require "src/colors.fnl"))
+(local utils (require "src/utils.fnl"))
+; (local beholder (require "libs/beholder"))
+(local levels (require "levels.fnl"))
+
+(local fow
+  { :cells [] })
+
+(lambda fow.load [self]
+  (let [tiles (. levels :levels self.pool.data.level-key :tiles)
+        rows-of-tiles (length tiles)
+        cols-of-tiles (length (. tiles 1))
+        rows (+ 200 rows-of-tiles) ; 100 rows of padding above the tiles
+        cols (+ 200 cols-of-tiles) ; 100 cols of padding on the sides
+        x (- 0 (* 25 100)) ; offset 100 tiles left
+        y (- 0 (* 25 100)) ; offset 100 tiles up
+        ]
+  (for [row 0 rows]
+    (for [col 0 cols]
+      (table.insert self.cells {:x (+ x (* col 25)) :y (+ y (* row 25))})))
+
+  (each [_ cell (pairs self.cells)]
+    (set cell.hit false)
+    (lambda cell.on-hit [cell-self]
+      (set cell-self.hit true))
+    (self.pool.data.bump-world:add cell cell.x cell.y 25 25))))
+
+(lambda fow.draw80 [self]
+  (color.set-color :dark-purple)
+  (each [_ cell (pairs self.cells)]
+    (when (= cell.hit false)
+      (love.graphics.rectangle :fill cell.x cell.y 25 25))))
+
+fow