To put blocks on the grid: press and hold down the mouse on one of the blocks and drag it to the grid. To delete blocks already on the grid: click the mouse on the block you want to delete or press the 'C' key to delete everything on the grid. To go to the next grid: press the arrow in the top right corner; the number on the side tells you which grid you are at, and their are only three grids. To go back to the previous grid: press the arrow on the top left corner.
There is no game, it is just the grid
