Your task is to stack the blocks on your platform. You loose one life each time a block falls out. Current lifecount is shown at the bottom-left corner of the game screen.
Get same colored blocks in touch to explode them! Quickly exploding series of blocks you make combos. Grey blocks are undestructable.
There is a preview for the next blocks on the right side of the game screen. You can chang* this blocks by pressing Ctrl ("shuffle"). The limited amount of shuffles you have is shown above the preview.