sound:
~~~~~~
click on jump
click on bump head
fancier PC-style sounds

movement:
~~~~~~~~~
collision detection up (hit head on jump)
* when land from jump, stop walking
walking right into objects, stand back one more
can keep walking in collision, just don't move
shooting animation
update clear screen to be black not stripes
enemies
exit door, blue pillar, red key (all in basement?)


tiles
~~~~~
animated tiles? alternate frame?

laser
~~~~~
hit enemies
hit tiles

levels:
~~~~~~~
mystery level 2

status:
~~~~~~~
keep score, inventory

sprites:
~~~~~~~~
When land, kicks up dust

enemies:
~~~~~~~~
Little robot
green crawly

items:
~~~~~~
red/blue key inverse-R