Have a Brain Age score of 20 to unlock Challenge mode.
Slideshow modeSuccessfully complete any three themes to unlock Slideshow mode.
UnlockablesCollect the indicated number of stamps to unlock the corresponding bonus. One stamp is earned each day that a training mini-game is completed. Note: To play the Virus Buster training mini-game, you must have earned a stamp for that day.
- By The Numbers training mini-game: 1 stamp
- Battle mode for Sum Totaled mini-game: 5 stamps
- Stamp Design mode: 3 stamps
- Tips mode: 7 stamps
- Change Maker training mini-game: 10 stamps
- Virus Buster training mini-game: 12 stamps
- Comment Settings: 15 stamps
- Change Pin Tip mode: 17 stamps
- Triangle training mini-game: 20 stamps
- Calculations X 100 Hard mode: 23 stamps
- Multi Tasker training mini-game: 25 stamps
- Triangle Math Hard mode: 28 stamps
- Multi Tasker Hard mode: 30 stamps