Move with WASD or the Arrow Keys. Push the boxes into the empty white squares.

Every level is an infinitely repeating grid, and you can move freely within it. This means that if you move right and off the edge of a level, you will reappear on the left. If you move up past the top, you will reappear at the bottom. The boxes behave the same way. Use the edges to your advantage to solve all 21 mind-bending levels!