This add-on changes survivor characters to actively speak their lines. - When another survivor is caught by a special infected, that person's name is called. - When someone hits by the Boomer's vomit, Other survivors call that person's name. - If everyone ...

This add-on adds SOUND and BLOOD EFFECTS when killing zombies with headshots. When a bullet hits a zombie's head, you want feedback that tells you it's a headshot just by hearing the sound? This add-on makes a blunt sound when you kill a zombie with a head...

This addon randomly places additional objects in the official campaign. You play the same official map all the time, don't you want something new every now and then? Wouldn't it be possible to change gaming experience, just by slightly changing the placeme...

This add-on increases the difficulty of the game. Are you bored of doing the same thing every day in L4D? Then let's try a new challenge. This addon turns on/off alarms for cars on the map. You'd better forget about the familiar location of the alarm car. ...

The most complete L4D2 vocalizer with nearly 800 vocalization lines. The real deal. FEATURES 13 radial menus with shared voice lines 9 radial menus with character-specific voice lines (for each character) Radial menu for character selection/switching and g...

This script is created to counter troll players who intentionally kill teammates. - If someone shoots teammates, the victims will not take the damage but the attacker will take 2/3 of the damage. - The fire and explosion damage is not reflected. - If you u...

This addon will drop a secondary weapon on the ground from the dead player. Weapons are not needed in Heaven. Weapons are useful for survivor who still alive. In the originally, the secondary weapon was attached to the owner's dead body, so teammate player...

This add-on opens/closes doors on the map at random. Sometimes a door that was always open is closed, and a door that was always closed is open. You don't know right away what's behind the door. - Support only official campaigns. No effect on add-on maps. ...

There are few types of unreachable items: 1. Items outside the map, 2. Item inside solid (bot can grab sometimes) 3. Items that can't spawn because of badly set item densities in info_map_parameters 4. Items deleted on map transition because they are too c...

This add-on will trigger a mob event when: - If the witch is not killed within 7 seconds of harassing the witch, mob event will occur. - In Chapter 3 of the No Mercy Campaign, When you blow up a gas station, mob event will occur. https://i.imgur.com/RXc8aR...

A player who play alone too far away from teammastes (=rusher) will attract the aggro of common zombies. Because L4D is a CO-OP game, a penalty for this players is necessary. - A last survivor or single player has no aggro effect. - This script only works ...

You thought it was a feature? Nah. Like blunt melee weapons, slash melee weapons were originally intended to play melee reaction animations when killed. However due to a typo in anim_common.mdl these never play, Oopsie. Correcting this typo allows it to fu...