!! OMG, It's Not Quite Tetris !!
It may look like Tetris. It is not Tetris. It is actually kind of fun on top of being very conceptually satisfying.
» READ THESE RELATED ENTRIES:
OMG, clever: Human pixels in classic videogames
OMG, How Diabolical: Hatetris
OMG, how in sync: College students
OMG, How Terrifying: Man Gets Spare Rib Stuck in Anus