KNOWN BUGS:
+ ootw: pool monster grabs you a edge of pool (glitch)
+ intro: there's still a bit of a pause when the elevator door finishes opening

TODO:

+ sprites that don't draw off edge of screen
+ Revamp movement


movement -- note these are hard due to limitations of the Apple II keyboard
+ running: Missing one running frame
+ ability to jump
+ ability to run+jump
+ ability to kick while crouching
+ ability to shoot

sprites_to_draw:
+ physicist crouch-kicking
+ physicist run+jumping
+ physicist swimming
+ physicist getting out of pool
+ beast tripping
+ physicist holding gun
+ physicist shot

pool:
+ background of beast moving off

cavern:
+ slugs on ceiling drop
+ background of beast moving off
+ adjust slug attack range

underwater:
+ add arrival-underwater scene
+ ability to swim

beast:
+ add beast death cutscene
+ add beast tripping

rope_room:
+ re-enable earthquake while swinging


cutscenes:
+ death by beast

Level/Checkpoint #2:
+ Swing in the cage
+ Ability to pick up gun, with all that entails
+ Elevator ride, view of city?
+ 1-bit audio recording of friend talking