Biters

This mutation forces survivors to kill or die. Your health decays over time and the only way to keep it up is to kill zombies. The main aim for this mutation was to keep the core gameplay of L4D2 but mix it up by changing one of the m...

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 * ...

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,...

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

After being firebombed, the survivors must flee their safehouse, and find their way to safety. Identical to the workshop version. Supported EMS mutations: Holdout (exclusive objects included) Speedrun!! Gun Hunt Gnome Guardians N...

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...

A simple template and example for a custom scripted weapon. A staff that shoots exploding fireballs. Note: this is not designed for gameplay, only as an example for mod authors. The script code is licensed with the MIT license. Have fu...

Build turrets. Guard the gnome. An arena style game mode where the objective is to build barricades and automated sentry turrets in order to keep the infected from smashing the gnome. Playable as Single player and Co-Op. Earn...