The game was originally only for Xbox 360, but came to PC later. Games for Windows Live has now been shut down, so if you want to play the game on PC, you'll have to buy a physical copy, either new or used. This game is only playable with a controller.
Pro The feeling of achieveing something
If you're the kind of person that likes to hunt for secret items, hidden achievements, and rare events, this game is for you. You can cross-breed certain animals to get a new animal, feed them certain berries to change their color, make them evolve, and much more. The end goal of this game is to collect all the animals that are avaliable.