I always check how long I've played certain games for, and mine is kind of insane. Brace yourselves.
Top 20:
Kid Icarus: Uprising - 106:42
Ocarina of Time 3D - 93:57
Kingdom Hearts 3D - 93:16
Resident Evil: Revelations - 75:05 (I replayed this 3 times and played the online mode about just as long)
Tales of the Abyss - 73:53
Netflix - 65:52 (Summer break Netflix run ftw)
Theatrhythm Final Fantasy - 61:27
Internet Browser - 54:05
Mario Kart 7 - 47:42
Zelda: Link's DX - 33:13 (this was my first game, I played the game through 5 times)
SMT: Devil Survivor Overclocked - 32:31
Radiant Historia - 32:28
Nintendo eShop - 30:27
Final Fantasy IV - 29:44
Pokemon White - 26:38
(a Demo, not going to say which) - 20:00
Dead or Alive: Dimensions - 19:08
Colors! 3D - 15:31
Tetris Party Live - 14:07
Heroes of Ruin - 13:53
Top 50 all have at least an hour of play on it.
edit: Also, I have had my 3DS for just a little over a year now.
