Competition version for Ludum Dare #31: Entire Game on One Screen

Playable here: https://dl.dropboxusercontent.com/u/24565598/repositories/ld31_entiregameononescreen/bin-compo/LD31_EntireGameOnOneScreen.html
Ludum Dare entry page: http://ludumdare.com/compo/ludum-dare-31/?action=preview&uid=10343