Complete lines to gain points and raise the level. The more lines completed at once, the more points gained. Completing the maximum number of lines at once, four, is known as a 'Tetris' and can only be pulled off with straight, long rectangle tetrominoes.
Move the tetrominoes left and right with the arrow buttons. Try to move the tetrominoes to get them to move together. Use the “up” arrow button to rotate the tetrominoes to fit holes.
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