21 years old, if you consider that an adult. i don't. i think it appeals to a lot of people my age, give or take, because i was 8 when the games first came out and for those of us who didn't have a cell phone and laptop in my preteens and early teens like younger kids these days, my gameboy was my crack. the only games i have now for my ds are platinum, soulsilver, and black. my boyfriend's 24 and plays the games because i've gotten him into them, even though he never played them when he was younger. two of my best friends, both 22, love the games as much as i do.