Battles on Tetris (arcade by Atari Games) were less than 20 lines depending on the level; the winner got a bonus for finishing first. Battles on Tetris (G were 30 lines. "B-type" battles on Tetris & Dr. Mario were 25 lines. Battles on The New Tetris were to 150 points, which could be completed within 8 to 16 lines by someone who knows basic square patterns.