Here is the full list of all 21 Professor Rubik's Brain Fitness trophies - there are 21 bronze.
Unlock 70% of brain potential
Unlock 25% of brain potential
Unlock 45% of brain potential
Take the evaluation test for the first time
Complete Guided dice with an A
Be right after letting the timer go for 60 seconds
Respond under 0.2s and be correct
Complete your first day of training
Reach the S rank in one mini game
Be right on all the exploding cube position in Training or Evaluation.
Reach the A rank in one mini game
Complete 7 days of training
Complete 30 days of training
Unlock 90% of brain potential
Get a 2048 for the first time
Score 300 or more in Cube Match
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