SI Plus

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...

The Green Flu mutates once again - causing the infected (and for some reason, their clothes) to shrink. They may not pack a full size punch but they still hit suprisingly hard and are even harder to hit. Like most pests, they're found in...

A mutation where you battle the other survivors getting to the saferoom first. With infinte ammo and regenerating health, the infected are merely there to slow you down. Items are replaced with adrenaline and molotovs. Features server...

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...

"The human eye is an imperfect instrument" - Ambrose Bierce Mode: Coop Description: Be all ears as you won't see death until it's upon you. All Special Infected besides the witch are nearly invisible at a distance only revealing thems...

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...

Giant infected + Boomers. Infected are slower, but have a lot of health and hit hard. Aim for center mass down, head shots won't count on standing infected atm due to model bbox issues. I'd simply recompile them but don't want to mess...

It's just like Team Fortress 2! King of the Hill is a fast-paced 8-player competitive gamemode, similar to the one in TF2. Its goal is to contrast the slow gameplay of versus, while still being fun. The four survivors must get to the po...