L click and drag blocks to move and rotate.
Press space bar to adjust gravity direction and intensity, then hit space bar again to move blocks.
It takes quick and delicate positioning, and the right gravity direction and intensity to set and balance blocks in place.
When blocks light up they're in proper position.
When all blocks are perfectly positioned, level is complete.
P key: Pause game
Note: You can make your own custom block arrangements in the Level Editor