It's been a little over three years since the launch of the Nintendo DS. In the meantime we've seen a whole bunch of games released for it – some brilliant, others that rehashed old Gameboy ideas, and some that were downright abysmal. Allow us to sort out the good ones for you and recommend some games without which your Nintendo DS library will be incomplete. We have avoided multi-platform titles and old rehashes while making our selection as fresh as possible. So here are the bottom 10 out of our top 20 games.