Is Lone Gunman too hard? Are you constantly thinking to yourself I could do it with four people before throwing down your controller? Frustrated that theres no way to find out if you acutally could? Well now you can be sure, since now theres four of you an...

Gibsaw Hell Mutation: Infinite Potential for Slaughter. 8 Special Infected at a time. 2 of any Special Infected at one time. Common infected are active. Bosses (witches and tanks) are active. Infinite Chainsaws, Infinite M60....

Gibsaw Realism Mutation: Friendly Fire should be avoided. The Realism version of Gibsaw (Infinite Chainsaws.+ Infinite M60 Machine Guns.) This mutation can be used to get the achievement “The Real Deal” if you play a campaign from start to finish on Expert...

You're a god with a fire-axe against the entire infected human population. Remember to save the gnome....

This is a solo mutation. No bot allies (or defibrillators) and all the zombies from a regular campaign appear, but if a Special incaps you, you are immediately revived with 30 temporary health. Designed for those who enjoy Last Man on Earth but are looking...

This was made for Titsonabullsteam ( http://www.youtube.com/user/titsonabullsteam ) so that he could complete The Sacrifice finale, and is made for people who do solo runs. The only change from a regular campaign is the lack of survivor bot allies. (Update...