This is a classic block Tetris game where players aim to complete horizontal lines by fitting variously shaped blocks into the empty spaces. The game concludes when the stacked blocks reach the top of the board, making it impossible to place new pieces.
Use the left and right arrow keys to move the falling blocks sideways, the down arrow key to accelerate their descent, and the up arrow key to rotate the pieces. Alternatively, you can utilize on-screen buttons to perform these actions through tapping or clicking.