If you like dogs, this game is great. Its called Show Dog
and it is about showing and breeding dogs, based on the american kennel club. It's a really fun (and quite addicting) game, it's an online sim. You can join for free, but you get more features if you sign up. It would be neat if someone with programming knowledge could make a snake game based on this game, trying to breed different morphs and such. If you have some time, its definately worth a look!
(addicted since September, lol)