Cause as much destruction as humanly possible! Mass Mayhem 2099 AD is the latest in this action packed series, and this time it takes things to the future! Your mission is simple: Cause as much damage as possible! Good luck!
Instructions
Arrow keys move
Space shoots
Space shoots
Play other games from Pyrozen Productions: Sift Heads 3, Sift Heads 4, Sift Heads 5, Turkey Got Guts, Fortress Guardian, Sift Heads World Act 1, Sift Heads World Act 2, Sift Heads World Act 3, Sift Heads World Act 4, Sift Heads World Act 5, Sift Heads World Act 6, Mass Mayhem, Sharp Trigger, Mass Mayhem 2, Sift Heads World Ultimatum, Douchebag Workout, Call Of Bieber, Dawn Of The Celebs 2, Hitstick 6, Crazy Hangover, Mass Mayhem 3, Wtf Doc, Bullet, Sharp Trigger 2, Paldorian Defense, Douchebag Life, Cubikill 4, Lazy Liz 2, Bullet 2, Feed Us, Run Ninja Run , Smurphin For Brooklyn, Feed Us 2, Mass Mayhem 4, Deadly Venom 3, Crazy Hangover 2, Sift Heads Street Wars, Little Mosquito, Extreme Vertical Racing, Sift Heads 1 Remastered, Feed Us 3, Sift Heads Assault, Sift Heads World Act 1 Blood Newcomer, Sift Heads Assault 2, The Pyro Guy, Mass Mayhem Zombie Apocalypse, Jacko In Hell 2, Siftheads Assault 3, Crazy Valet, Feed Us 4, Sift Renegade 3, Deadly Venom 4, Sift Renegade 3 Defiance, Mass Mayhem Zombie Apocalypse Expansion, Douchebag Workout 2, Feed Us 5, Sift Heads Cartels Act 1, Red Road Rage, Sift Heads Cartels Act 2, Feed Us Xmas Xpansion, Feed Us Lost Island, Sift Heads Cartels Act 3 and Feed Us Pirates!
