Mass Mayhem 5 ExpansionPublished on April 20, 2013. Played 619 times.
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Introducing a violent expansion to; Mass Mayhem Zombie Apocalypse. This bloody expansion to the Mass Mayhem series introduces a kick-ass robot mech! Now you can kill waves and waves of zombies with your favourite weapon or use this killer robot. Both weapons and your robot can be upgraded.
Kill waves of zombies with your favourite weapon or use your mech robot! Arrow keys to move and jump or guide rockets. Spacebar to fire or use weapons. 1 to 10 to select weapons. X key to use vehicle or robot and open crates.