Tower of Hanoi
Reorganize the rings in this mathematical puzzle.
Version: 1.14.0
Your Mastery Level:
Gears and Boxes
Find out where the boxes will move to when the gears turn.
Version: 1.0.3
Your Mastery Level:
Flip It III
Flip the rows and columns.
Version: 1.1.1
Your Mastery Level: