The Sims 2: Apartment Pets (and its corrupting boxart). Described by NGamer magazine as a "woodland ecosystem god game where Disney-style characterisation meets the teeth and claws of the Discovery Channel," this god game puts you in charge of a big ol' chunk of nature, which you have to ensure remains clean and full of happy, well-petted animals and plants.
Do this successfully, and you'll get to see more of the 25 animals and 50 plant specimens in the game, which sounds a
With any luck, we'll see more of this soon. If only there were some huge industry event in the near future!