Brain Age Express - Arts And Letters - Platform: Nintendo DS Destroy all enemies in Space mode in Word Attack: ------------------------------------------------- Press A, Y, X, B to destroy all on screen enemies. Note: This can only be done once each time you train. Unlockables: ------------ Successfully complete the indicated task to unlock the corresponding bonus. Note: Play a training game or Brain Age Check to get a stamp. This can only be done once per day. Additionally, to play Virus <#> Buster after it is unlocked, you must have a stamp for that particular day. Challenge mode: After the initial Brain Age Check, get a Brain Age score of 20. Change Pen Tip: Collect 22 stamps. Change Stamp Design: Collect 3 stamps. Comment Settings: Collect 8 stamps. Meet and Greet: Collect 24 stamps. Meet and Greet - Hard mode: Collect 30 stamps. Photo Recall - Hard mode: Collect 18 stamps. Piano Player: Collect 10 stamps. Piano Player - Hard mode: Collect 27 stamps. Select the Piano Player song: Collect 20 stamps. *Note:* This can only be done the second and subsequent times each day. Slideshow mode: Successfully complete any two themes. View Tips: Collect 16 stamps. Virus Buster: Collect 13 stamps. Word Attack: Collect 1 stamp. Word Attack - Space mode: Collect 6 stamps.