Strongbadzone:
+ Implement rest of audio
+ Ball movement logic.  Is actually just 2D
  -> Collision detect with head.  Decrement count, play sound
  -> Collision detect with player
+ Do the color mask (different blacks)
+ Animate side walls
  -> This is going to involve fancy memory management
+ Faster hgr copy?
+ Optimize sprite size
+ Allow lowercase keyboard (see duck code)

Duck:
+ Implement throwing
+ Implement duck movement
+ Implement score
+ Implement easter eggs
+ Exit back to main title



Cliff:
+ Everything

Jump
+ Everything

Rat:
+ Done?

Title
+ Done?