Comment Trump the Game (Score 1) 648
Thats one example, the winner has more.
Some others:
starcraft against the computer (goal get all the tiberium, don't actually kill them)
pyramid amway schemes (oh wait that is zero-sum)
Code-a-thon for world peace.
Everquest...my god people buy that crap on ebay.
any sort of bedroom game with the S.O.