official rummoli (michigan rummy) rules official game ruleschallenge rummy, classic rummy, deluxe rummikub, deluxe rummy o, gin rummi qube + 55 more; designer n/a ephraim hertzano + 0 more; artist n/a micha hertzano, michael rüttinger, sławek wiechowski + 0 more; publisher n/a (unknown), alga, aquamarine games (compudid), arxon + 94 more