Nothing will ever come close to topping 2006 however...
- Pokémon Diamond / Pearl - 4.302.815
- New Super Mario Bros - 3.818.214
- Brain Age 2: More Training in Minutes a Day! - 3.748.638
- Animal Crossing: Wild World - 2.485.264
- Brain Age: Train Your Brain in Minutes a Day! - 1.991.116
- Weak English Adult DS Training: English Pickled - 1.529.618
- Mario Kart DS - 1.115.082
- Tetris DS - 985.246
- Final Fantasy III - 935.390
- Kanshuu Nippon Joushikiryoku Kentei Kyoukai - 916.600
You gotta wonder how good of an English learning software "Weak English Adult DS Training: English Pickled" really is with a title like that.