The game involves creating lines of blocks that fall from the top of the screen, by manipulating them using a play area of fixed size. Players arrange the blocks into solid lines either horizontally or vertically without leaving empty spaces.
As the game progresses, the number of blocks in each new set increases, making it more challenging for players to create solid lines and clear the screen. To add complexity, each new set of blocks has a unique shape and size, requiring players to think ahead and strategically position the blocks.
The objective is to clear as many lines as possible before the blocks stack up and prevent any new lines from being created. The game runs in the browser without requiring a download or registration, allowing players to immediately start playing and competing with their spatial reasoning skills.