Free Online Games

Mass Mayhem: Zombie Apocalypse Expansion is an exciting Action Game and published on Mar 21st, 2013 and has been played 19,278 times and has a rating of 95% after 433 votes.

In latest expansion of Mass Mayhem, extreme weapons are used to destroy zombie hordes. Except standard high damage fire weapons, you can now get into giant mech and use it to fight zombies. Also, it can be upgraded, just like your weapons. Have fun.