diff --git a/world.cm b/world.cm
index 528a55ef..54617b28 100644
--- a/world.cm
+++ b/world.cm
@@ -1,11 +1,11 @@
 var world = {}
 
-world.add_2d = function(sprite) {
-  this.render_2d.push(sprite)
+world.add_entity = function(e) {
+  var ent = use(e)
 }
 
 return function() {
   var newworld = meme(world)
-  newworld.render_2d = []
+  newworld.entities = []
   return newworld
 }
\ No newline at end of file