The year is 2099 and the world is a dangerous place. In the Mass Mayhem 2099 AD game you are a rebel fighter on a mission to save your city and your friends from the evil that is all around. Use all of your futuristic guns and weapons so that you can kill all of the enemies. You have a powerful mech that has great fighting tactics that will help you complete each of your dangerous mission objectives. Make sure that you are always keeping your weapons upgraded because you will need them at full strength to win the fight.