Play Cube Mission Online Game. One of many Educational Games to play online on your web browser for free at KBH Games. Cube Mission is made using Unity technology. Tagged as Casual Games, Educational Games, Isometric Games, and Puzzle Games. Upvoted by 18 players. Other games you might like are Color Cube and Cube Flip. No download or installation needed to play this free game. Hope this game brings a little joy into your daily life.