When the finger fight game is first opened, you will see the menu page. From here, you can play a one-man game against the computer by clicking the 1P text or a two-person finger fight game against a real friend by clicking the 2P text. You select your character by clicking the back and forth buttons next to the fingers that appear on the screen.
You can play one person against the computer with mouse or by clicking the "W" button. you are playing with a real person with you two personality with up arrow key and "W" key. The remaining powers appear on both sides of the top of the screen. the power of the finger that gets hit decreases. The side whose power is reset first loses the fight.
If you hold the arrow on the game picture before playing the game, you can watch the video of the game.