Discover different forms of brain teasers in 1 game. This game can be played in both 3D and 2D and no less than 120 assignments can be performed. How does it work? Choose an assignment and place the puzzle pieces as the assignment says. You may no longer move the puzzle pieces that are depicted in the assignment. Step 2, try to fill the empty places with all the other pieces. Step 3, there is always only 1 solution.