Speedrun!! Mutation

Infected have new abilities. Designed for competitive versus gameplay. Play with friends or start a local public lobby to play online. Both Infected and Survivor: * HP Notifier: Type !tankhp to find out how much health tanks have * ...

Adds the M72 LAW single shot anti-tank rocket launcher to all the official campaigns. The LAW spawns in the same place as melee weapons and takes up the secondary weapon slot. Note: The server or hosting player needs to have the mod fo...

In this co-op mutation, you have to make your way through this horde of 'biters'. When you get bitten, you start bleeding out. Not only that, but zombies love the smell of blood. They get buffed when you're bitten, so clean your wound q...

Zombie Run is a gamemode similar to deathrun, made to work using L4D2's mechanics. The survivors have to run through the course and wait for the rescue helicopter, while being chased by zombies. The Special Infected ARE the traps. They h...

To launch from console map mapname shotguns_tankslayer_beta Kill Tanks or die trying! - mode: coop - maps: any - Tanks spawn more frequently and stronger with each kill, causing more damage - All Health is Temporary, Health is awar...

This mutation is like Tank Rush with a twist: There are only boomers at first, but boomer vomit will attract a mob of tanks. The goal: finish without getting vomited (and if you do get vomited, finish without dying). It may sound simple,...

A modified survival mode where guns and items spawn randomly throughout the area at timed intervals. The guns have limited ammo forcing survivors to constantly search for new ones. Currently has custom item spawnpoints on: c1m4_atrium...

Replaces the hubcap-mines used in the Holdout mutation with slightly more realistic looking ones.