For a time, I busied myself with Ubisoft's language coach games on the DS - namely My French Coach and Spanish Coach - mainly to brush up on my multi-lingual skills. But if you want something to help you with Latin (and by gods, have I always wanted to learn Latin!), you'd have to go the homebrew route, and that's possible now, care of Todd Jeffrey's DSLatin application. Veni, veni, venias, ne me mori facias... Sephiroth!

Download: DSLatin