Here is the full list of all 30 Mind Games achievements.
Win Hex mini-game
Solve Dice puzzle
Solve Fifteen puzzle
Win Infection mini-game
Solve five puzzles
Win Nim coins game
Solve at least one puzzle
Solve Entrance picture puzzle
Solve picture puzzle
Solve 40 puzzles
Solve 100 puzzles
Solve 200 puzzles
Skip single level
Solve Dali picture puzzle
Solve Bogaryrs picture puzzle
Solve Oak Grove picture puzzle
Win Battleship mini game
Solve Checkers puzzle
Solve Chess puzzle
Solve Chinese Checkers puzzle
Solve Coins puzzle
Solve Color Box puzzle
Solve Dice Sudoku puzzle
Solve Domino puzzle
Solve Extended Fifteen puzzle
Solve Marble puzzle
Solve Packer puzzle
Solve QGame puzzle
Solve Rubik puzzle
Solve Switch Off puzzle