diff --git a/scenes/pools.tscn b/scenes/pools.tscn
index b483df0..30d031e 100644
--- a/scenes/pools.tscn
+++ b/scenes/pools.tscn
@@ -9,10 +9,18 @@ Plants = NodePath("Plants")
 Projectiles = NodePath("Projectiles")
 Structures = NodePath("Structures")
 
-[node name="Zombies" type="Node" parent="."]
+[node name="Zombies" type="Node2D" parent="."]
+z_index = 3
+y_sort_enabled = true
 
-[node name="Plants" type="Node" parent="."]
+[node name="Plants" type="Node2D" parent="."]
+z_index = 1
+y_sort_enabled = true
 
-[node name="Projectiles" type="Node" parent="."]
+[node name="Projectiles" type="Node2D" parent="."]
+z_index = 4
+y_sort_enabled = true
 
-[node name="Structures" type="Node" parent="."]
+[node name="Structures" type="Node2D" parent="."]
+z_index = 2
+y_sort_enabled = true