Here is the full list of all 14 More Brain Exercise achievements worth 200 gamerscore.
Be awarded 100 points for each lobe area.
Be awarded 100 points for Parietal lobe exercises.
Be awarded 100 points for Frontal lobe exercises.
Be awarded "Solar System" rank in all games on Hard mode.
All minigames unlocked.
Complete Brain Training 3 days in a row.
Solve a Sudoku puzzle on Hard.
Solve a Sudoku puzzle on Medium.
Solve a Sudoku puzzle on Easy.
Unlock Sudoku.
Complete Brain Training 7 days in a row.
Complete Brain Training 30 days in a row.
Be awarded 100 points for Temporal lobe exercises.
Be awarded a maximum Brain Age of 25 for three consecutive days.