You try to type the words displayed on the screen as quickly as possible. Try to type quickly because your typing speed will affect the boy who is being bricked. Play Keyboard Mayhem HTML5 game. Keyboard Mayhem is a free, online, HTML5 game where you have to type as fast as you can to destroy the incoming asteroids. The more asteroids you destroy, the higher your score. You can play the game on any device with a keyboard.