Here is the full list of all 20 Mind Mirror achievements.
Simply complete the first room.
Simply complete the second room.
Simply complete the third room.
Simply complete the fourth room.
Simply complete the fifth room.
Simply complete the sixth room.
Simply complete the seventh room.
Simply complete the eighth room.
Simply complete the final room.
Finish the game in perfect time.
Finish the game without load in perfect time.
You must complete the first room in a record time.
You must complete the second room in a record time.
You must complete the third room in a record time.
You must complete the fourth room in a record time.
You must complete the fifith room in a record time.
You must complete the sixth room in a record time.
You must complete the seventh room in a record time.
You must complete the eighth room in a record time.
You must complete the final room in a record time.