Description: Tetris is a game involving dropping blocks.
Points are scored for each block which comes to rest on the gradually collecting pile of blocks. Different blocks in different orientations score different points. the goal is to prevent the pile from reaching the top and ending the game. Whenever a row of blocks is completely filled, it is removed and all blocks above it drop down to fill the empty row.
Instructions: Rotate and slide the blocks as they fall to create complete horizontal lines.
Points are awarded for completed lines.