The world's biggest nightmare has become a reality. Someone has united the galaxy's most feared super villains in an attempt to coordinate a devastating attack on the citizens of Earth. Luckily, the Justice League has caught wind of this plan and has made it their top priority to foil it. They have delegated that the Flash head the operation, and it's up to you to lead him through his mission. Become the fastest man alive as you fight to save the Earth from terror and destruction. Call upon your Justice League friends Batman, Superman, Wonder Woman and more to help you when you need it most. Perform lightning-fast combos on your enemies before they know what hit them, and use your speed to escape imminent doom. As you fight at high speeds, your enemies will appear to be in slow motion, giving you the advantage. With your incredible speed and a little luck on your side, the Earth will be safe again.