Game from Snubby. This game is addictive by it's simplicity and infuriating when you die.
Move by your arrowkeys and collect the yellow coins along the way. Grey blocks are 'doors' which can be opened by keys. If you want to change the color of your square, pause the game.
Game insults you when you beat a level. Just like the first one.
And buy the way: Here's the walkthroughs...