Xbox has it, Playstation has it, Steam has it.... Why not Nintendo? Now is not fair to say that nintendo never had a achievements since it seem to be game specific. Super Smash bros games, New Super Mario Bros U, Xenoblade chronicles and few others starting with the wii, also include digital only games like mega man 9 and 10, Retro city rampage. The game themself host a achievement system that is not handled by the online services like Playstation network trophies, Xbox points or Steam badges. So I'm curious why you think Nintendo hasn't done it yet?