Ogre Battle 64: RTS/RPG hybrid, very challenging, but also very fun and addicting. It's not big on story though. It's not cheap unless you buy the Wii Virtual Console version, though.
Star Wars Episode 1 Racer: Is it based off the prequels? Yes. Does it suck? No. Think F-Zero, but you're racing on a cool sci-fi planet. Plus, there's no Jar-Jar (well, he's in Watto's shop, but it's a crappy polygon character that you can barely notice, and he doesn't speak).
Chibi-Robo: You play as a miniature robot that goes around doing chores for the Japanese perception of a stereotypical dysfunctional American family. It's pretty funny.
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The Hunger Games>Mockingjay>Catching Fire