--- a/TODO.txt	Sun Sep 01 22:24:59 2013 +0200
+++ b/TODO.txt	Sun Sep 01 22:26:13 2013 +0200
@@ -3,3 +3,37 @@
 TODO
 ====
 
+* Doors
+
+* Changing areas
+
+* Viewport support
+
+* Switches and Boxes
+  - Minimal construction kit for puzzles
+
+* Items
+
+* Inventory
+
+* Puzzle objects
+  - Puzzle objects need to contain the logic of the puzzle
+    "Needs foo in position bar and baz is off"
+
+  - How do we hook these up to the level?
+
+  - How much state do we save to avoid breaking the game?
+
+* Level format
+  - Should become sane
+
+* Enemies
+  - Are desirable
+
+* Shooting
+  - Follows from enemies
+
+* Breakables
+  - Has implications for saving state
+
+