--- a/nagslang/level.py	Tue Sep 03 23:42:51 2013 +0200
+++ b/nagslang/level.py	Tue Sep 03 23:45:56 2013 +0200
@@ -72,9 +72,16 @@
             self._create_enemy(space, **enemy_dict)
 
     def _create_game_object(self, space, classname, args, name=None):
-        # We should probably build a registry of game objects or something.
-        # At least this is better than just calling `eval`, right?
-        cls = getattr(go, classname)
+        modules = {
+            'game_object': go,
+            'puzzle': puzzle,
+        }
+        if '.' in classname:
+            module, classname = classname.split('.')
+        else:
+            module = 'game_object'
+        cls = getattr(modules[module], classname)
+
         if issubclass(cls, puzzle.Puzzler):
             gobj = cls(*args)
         elif issubclass(cls, go.GameObject):