The thick cards in this game show the characters Otto and Bruno, each on an opposing side. Each side also has a number in one of four colors, different from the opposing side. Players gather cards in racks, aiming to collect sets of either four numbers in a single color or four colors in a single number, but periodically the racks and decks are flipped so the alternative card sides are in play. Listed among the notable card games in Fairplay's 1993 À la carte prize. Re-implements: The Cocoo's

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