Hello,
Usually rare games sucks, game-wise. Darxide for 32X sold more than 800 on ebay. But this game utterly sucks. (see video on youtube)
I think the rarity index would be enhanced if it had a way to tell us: this game is good. it is fun to play.
I want to get a rare game that is truly fun to play. Much more worth it than buying gayness, for beauty contest on a shelve.
What is your rarest and complete game, + game has to be fun and good game-wise.
I don't have any yet. But I find difficult to buy a complete Knuckles Chaotix for the 32X and people say it is one of the best 32X games fun-wise.