How To Play  You and a friend choose any game you wish and battle it out for the high score. Best of 3 wins! When you're finished, post your results here! You and a friend pick the game, choose your difficulty settings, agree on your own personal rules. Single Life Runs and 3-Minute Runs are fine! Any game, any system. Play against each other 3 times in short high score contests. Whoever wins best of 3 wins the 2-Player Battle!