Destroy all enemies in Space mode in Word Attack:
Press A, Y, X, B to destroy all of on screen enemies. Note: This can only be done once every time you train.
Unlock Challenge Mode:
Any time after the initial Brain Age Check, if you obtain a Brain Age score of 20, you will unlock the Challenge Mode. NOTE: This is MUCH harder than what you normally do in Training.
Stamp rewards:
Do a Training game or a Brain Age Check to get a stamp. Note: This only happens once per day. Collect the indicated amount of stamps to unlock the corresponding bonus. Note – To play Virus Buster after it is unlocked, you must have a stamp for that particular day.
BONUS – STAMPS REQUIRED
Change Pen Tip – 22 stamps.
Change Stamp Design – 3 stamps.
Comment Settings – 8 stamps.
Meet and Greet – 24 stamps.
Meet and Greet Hard Mode – 30 stamps.
Photo Recall – Hard Mode – 18 stamps.
Piano Player – 10 stamps.
Piano Player Hard Mode – 27 stamps.
Select the Piano Player song – 20 stamps. Note: This can only be done the second and subsequent times each day.
Slideshow Mode – Complete any two Themes.
View Tips – 16 stamps.
Virus Buster – 13 stamps.
Word Attack – 1 stamp.
Word Attack – Space mode – 6 stamps.
Slideshow mode:
Complete two themes to unlock Slideshow mode.
Challenge mode:
After the initial Brain Age Check, get a Brain Age score of 20 to unlock Challenge mode.