Nintendo DS/Nintendogs
nintendogs gives people information on the species that are most tame and best at comptitions.  It is also one of the best nintendo DS games there are.
 

Playstation 2/Star Wars Battlefront 1
Star Wars Battlefront 1 is the best selling Star Wars game there is so if you buy it and you are a Star Wars fan, then I bet you will love this game.  What you are able to do on this game is that you are able to be on all kinds of teams like CIS, Republic, Empire, and Rebels.  You could also go to all kinds of places to battle with or against people from all around the world.  You can even make up your own name.