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Left 4 Dead 2: updates, settings and interface

Game updates, plugin versions and improvements to our interface with a traceable history.

Recorded, available and installed are different states. Your actual installation status and suitable updates are shown in the server panel.

Developer announcement Published

Left 4 Dead 2's Zombies Invade Gametrailers TV at 12:30am on SPIKE!

Announcement from the official source. The source describes the changes; your server installation status is shown separately in the update center.

Open original source
Developer announcement Published

Left 4 Dead 2 Summer Tour Begins

Announcement from the official source. The source describes the changes; your server installation status is shown separately in the update center.

Open original source
Developer announcement Published

Left 4 Dead 2 Summer Tour Begins

Announcement from the official source. The source describes the changes; your server installation status is shown separately in the update center.

Open original source
Developer announcement Published

Gameplay Video Roundup

Announcement from the official source. The source describes the changes; your server installation status is shown separately in the update center.

Open original source
Developer announcement Published

Gameplay Video Roundup

Announcement from the official source. The source describes the changes; your server installation status is shown separately in the update center.

Open original source
Developer announcement Published

Rock, Paper, Shotgun shows off Swamp Fever level and screenshots

Announcement from the official source. The source describes the changes; your server installation status is shown separately in the update center.

Open original source
Developer announcement Published

Rock, Paper, Shotgun shows off Swamp Fever level and screenshots

Announcement from the official source. The source describes the changes; your server installation status is shown separately in the update center.

Open original source
Developer announcement Published

The Eurogamer TV Show: Left 4 Dead 2

Announcement from the official source. The source describes the changes; your server installation status is shown separately in the update center.

Open original source
Developer announcement Published

The Eurogamer TV Show: Left 4 Dead 2

Announcement from the official source. The source describes the changes; your server installation status is shown separately in the update center.

Open original source
Developer announcement Published

GameSpy's New Left 4 Dead 2 Exclusive Preview

Announcement from the official source. The source describes the changes; your server installation status is shown separately in the update center.

Open original source
Developer announcement Published

GameSpy's New Left 4 Dead 2 Exclusive Preview

Announcement from the official source. The source describes the changes; your server installation status is shown separately in the update center.

Open original source
Developer announcement Published

Left 4 Dead 2: Live at Comic Con

Announcement from the official source. The source describes the changes; your server installation status is shown separately in the update center.

Open original source
Developer announcement Published

Left 4 Dead 2: Live at Comic Con

Announcement from the official source. The source describes the changes; your server installation status is shown separately in the update center.

Open original source
Developer announcement Published

Follow us on Facebook

Announcement from the official source. The source describes the changes; your server installation status is shown separately in the update center.

Open original source
Developer announcement Published

Follow us on Facebook

Announcement from the official source. The source describes the changes; your server installation status is shown separately in the update center.

Open original source
Developer announcement Published

Gamespot UK Hands-on Preview

Announcement from the official source. The source describes the changes; your server installation status is shown separately in the update center.

Open original source
Developer announcement Published

Gamespot UK Hands-on Preview

Announcement from the official source. The source describes the changes; your server installation status is shown separately in the update center.

Open original source
Developer announcement Published

Eurogamer's Left 4 Dead 2 Hands On Preview

Announcement from the official source. The source describes the changes; your server installation status is shown separately in the update center.

Open original source
Developer announcement Published

Eurogamer's Left 4 Dead 2 Hands On Preview

Announcement from the official source. The source describes the changes; your server installation status is shown separately in the update center.

Open original source
Developer announcement Published

Left 4 Dead 2 E3 Announcement Trailer

Announcement from the official source. The source describes the changes; your server installation status is shown separately in the update center.

Open original source

What the interface looks like

The image shows the interface on its capture date; earlier versions may differ.

Excerpt of the current interface with sample values. Values and prerequisites illustrate the controls; available tools depend on server software, plugins and permissions.
Excerpt of the current interface with sample values. Values and prerequisites illustrate the controls; available tools depend on server software, plugins and permissions. · Captured on 2026-10-08
Excerpt of the current interface with sample values. Values and prerequisites illustrate the controls; available tools depend on server software, plugins and permissions.
Excerpt of the current interface with sample values. Values and prerequisites illustrate the controls; available tools depend on server software, plugins and permissions. · Captured on 2026-10-08

What the settings do

These values come from our guided editors. Defaults are the editor starting values; they do not show the contents of a customer server.

Enable cheats (sv_cheats)

Allows console commands. Disable on public servers.

Setting
sv_cheats
Default
0
LAN mode (sv_lan)

1 = LAN only, 0 = public.

Setting
sv_lan
Default
0
Voice chat (sv_voiceenable)

1 = players can talk, 0 = disabled.

Setting
sv_voiceenable
Default
1
Difficulty (z_difficulty)

Zombie difficulty: Easy/Normal/Hard/Impossible (Expert).

Setting
z_difficulty
Default
Normal
Range / options
Easy, Normal, Hard, Impossible
Survivor limit (survivor_limit)

Vanilla: 1 to 4, default 4. Vanilla ignores this direct config line. Changes require SourceMod with sm_cvar; more than 4 additionally requires a multiplayer plugin.

Setting
survivor_limit
Default
4
Range / options
1 – 4
Max player zombies (z_max_player_zombies)

Vanilla: 0 to 4, default 4. Number of human infected in Versus mode. Vanilla ignores this direct config line; changes require SourceMod with sm_cvar.

Setting
z_max_player_zombies
Default
4
Range / options
0 – 4
Game mode (mp_gamemode)

Co-op, Versus, Survival, Realism, Realism Versus or Scavenge. Vanilla ignores this direct config line. Choose the mode when starting a map, e.g. map c1m1_hotel versus.

Setting
mp_gamemode
Default
coop
Range / options
coop, versus, survival, realism, realismversus, scavenge
Starting map

Map or level loaded when the server starts.

Setting
SRCDS_MAP
Default
c1m1_hotel
When it takes effect
Takes effect after saving and restarting the server.
Max. players

Maximale Spielerzahl (+maxplayers)

Setting
MAX_PLAYERS
Default
8
Range / options
… – 32
When it takes effect
Takes effect after saving and restarting the server.
Auto Update

1 = beim Start updaten

Setting
AUTO_UPDATE
Default
1
When it takes effect
Takes effect after saving and restarting the server.
Server name

Name des Servers in der Serverliste (hostname).

Setting
HOSTNAME
Default
Left 4 Dead 2 Server
When it takes effect
Takes effect after saving and restarting the server.