Full list of all 12 Brain Challenge achievements worth 200 gamerscore. It takes around 20-25 hours to unlock all of the achievements on Xbox 360.
Finish one DAILY TEST!
Get 30 combos in any mode!
Get an A+ in the TRAINING modes!
Get an A+ in all mini-games!
Reach 20% Brain Usage!
Reach 40% Brain Usage!
Reach 60% Brain Usage!
Reach 80% Brain Usage!
Reach 100% Brain Usage!
Finish one online match!
Win 10 online matches in a row!
Win a total of 100 online matches!