World of Goo is a physics based puzzle / construction game. The millions of Goo Balls who live in the beautiful World of Goo dont know that they are in a game, or that they are extremely delicious.
Looking for mines on triangular or square fields. You needn't have luck to win and you must not guess. The computer transposes the mines during a game. It will help you at the moments when numbers don't give you enough information to make a reasonable move.