Here is the full list of all 21 Professor Rubik’s Brain Fitness achievements.
Be right after letting the timer go for 60 seconds
Respond under 0.2s and be correct
Complete your first day of training
Complete 7 days of training
Complete 30 days of training
Reach the A rank in one mini game
Take the evaluation test for the first time
Unlock 25% of brain potential
Unlock 45% of brain potential
Unlock 70% of brain potential
Unlock 90% of brain potential
Get a 2048 for the first time
Score 300 or more in Match 4
Reach the S rank in one mini game
Be right on all the exploding cube position in Training or Evaluation.
Be right on all the rolling Rubik rotation.
Take the evaluation test 5 times
Take the evaluation test 30 times
Take the evaluation test 100 times
Complete 7 days of training in a row
Complete Racing Cubie with an A