ibb & obb Released on Steam

ibb & obb is a cooperative adventure designed for two players
Dutch indie developers Sparpweed and Codeglue today announced that their co-op platformer ibb & obb is available now via Steam. Players can buy the single game ( 9,99 or $ 11,99), or the Best Friends Forever Double Pack ( 11,99 or $ 13,99), which includes two Steam keys, of which one can be shared with a friend. During launch week, players will get a 20% discount on any of the available packs.
ibb & obb is a cooperative adventure designed for two players set in an abstract puzzle filled world where gravity goes both up and down. You can only succeed by working closely together. The game can be played with a friend on a couch or can be played with someone online.