Moving a Tetrimino
By pressing LEFT and RIGHT arrow keys, you can slide the falling Tetrimino from side to side.
Move the Tetrimino so it hits both sides of the Matrix.
Rotating a Tetrimino
By pressing the UP arrow key, you can rotate a Tetrimino 90 degrees clockwise.
Rotate a Tetrimino a full 360 degrees clockwise.
Clearing a Line
To score points in Tetris, you must clear lines. To clear a line, every square in a row has to be filled.
Rotate and move the Tetrimino so that it clears the bottom line in the Matrix.