I just got a 3DS and I was wondering what games are good for adults. I got New Super Mario 2 with it and beat it within a week. I plan on getting. Kotaku Staff. 12/01/17 3 Want more of the best games on each Games • The Best PSP Games • The Best Facebook Games • The Best DS Games • The Best Mac. Best Nintendo 3DS games: So read on for the 20 best 3DS games, or if you're looking to dip your toe into the more retro DS library.