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Cheats & Hints

Added 14/01/2009 - 3:04am GMT
How to get extra stamps:
First, get your daily stamp. Then, turn your ds off and take the game out. Change the day to the next date. (eg:day 12 to day 13) After you do that, turn your ds on again. Get another stamp, and repeat the steps over again until you unlock more training programs.
(supplied by: telekinesis)
Added 10/01/2007 - 9:04am GMT
Brain Age Check tests:
To choose the 3 tests to do on Brain Age Check on the title screen hold select and tap Brain Age Check. Dr. Kawishima will now say you are in a secret place.
(supplied by: Nintendo-Geek)

Action Replay Codes

Added 15/08/2007 - 9:07am GMT
Please Note: These cheats require an Action Replay device.
Game ID: ANDE-A0BD45A1
There are 1 codes for this game.

Press Select For Extra Soduku Moves
94000130 fffb0000
120eaa54 00000000
d2000000 00000000