Don't shoot the blue blocks, that takes a point of energy away. Don't touch the blue blocks, that, too, takes a point of energy away. Don't fall in love with the blue blocks, they may or may not break your heart. DO shoot the purple blocks! if they reach your core... You guessed it, they take a point of energy away. DO touch the purple blocks! they're fine with it, really.
-Move with A-D or with the arrow keys LEFT-RIGHT
-Jump with UP, W or SPACE
-Point with the mouse and shoot by clicking!