On the one hand, you've got some of the best 2D platformers around in the form of the Wario Land series, and some also pretty fantastic party games in the form of the better WarioWare games. (gamingreinvented.com)
Smash 64 and Melee both have quite a bit of competitive depth, making them both amazing competitive games and fantastic party games all at once. (gonintendo.com)
Both games are fantastic party games, but Raving Rabbids may be most well known for its crazy commercials. (thatvideogameblog.com)