I started playing ACNL when it was released in 2013, but I started playing animal crossing as a whole a little after Wild World came out for DS, so I guess I've been playing for 10+ years haha
Around 10-12. My best irl friend showed me Wild World and we would always play together along with one of our internet friends who had AR and was like our sugar-friend xD
I had a 9:30 PM bedtime and would have to turn in my laptop so I had many nights sneaking onto my 3ds just to play Wild World over wi-fi with them all <3
I started playing AC when I was 7 or 8? When it first came out I rented it at blockbuster and became obsessed. I got ACNL when it first came out so I think I was 18 or 19. My original cart was stolen during college but I had so many nintendo points from working at a game store I re-downloaded it for free... two years ago, and started playing again just recently. I think the original GCN AC is my favorite lol.