An epic bug hunt featuring a unique blend of co-op play and squad-level tactics. With your friends, form a squad of four distinct IAF Marine classes. Plan your attack using an unlockable arsenal of weapons with countless loadout configurations against a wide variety of aliens. Blaze your way through an overrun, off-world colony, eradicating the alien infestation in environments ranging from the icy planet's surface, to a subterranean lava-flooded mining facility.

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Alien Swarm Aliens Mod 0.9

Alien Swarm Aliens Mod 0.9

Alien Swarm Aliens Mod Demo 8 comments

this includes: 4 weapon sounds, smartgun, pulse rifle, desert eagle, smg. motion tracker. swarms now sound exactly like xenomorphs. makes almost ALL of...

Alien Swarm Campaign BETA

Alien Swarm Campaign BETA

Demo 9 comments

A beta of my Alien Swarm campaign, Housle cleaning. Please list bugs in comments. TO INSTALL: go to your alien swarm folder and drop the unzipped file...

Alien Swarm Director Mod - Beta 0.1

Alien Swarm Director Mod - Beta 0.1

Alien Swarm Director Mod Full Version 0 comments

This is a public beta for ASDM! Please note: in order to play you must have both the Alien Swarm AND Alien Swarm - SDK installed. Both are free on steam...

Alien Swarm Director Mod - Beta 0.2

Alien Swarm Director Mod - Beta 0.2

Alien Swarm Director Mod Full Version 1 comment

This is version 0.2 public beta for ASDM! This version fixes several problems with doors and adds a new room. Additionally, level generation has been...

Alien Swarm Director Mod - Full Release v 1.0

Alien Swarm Director Mod - Full Release v 1.0

Alien Swarm Director Mod Full Version 8 comments

Alien Swarm Director Mod full release 1.0! 5 mission campaign with 4 missions built dynamically for ultimate replayability! And ASDM responds to player...

Alien Swarm: The Spaceship

Alien Swarm: The Spaceship

Full Version 7 comments

A map I have released. I really do hope you enjoy this as much as I have made it.

Alien Swarm: The Spaceship map 2

Alien Swarm: The Spaceship map 2

Full Version 7 comments

The second map to The Spaceship. I am thinking of doing a mod using Alien Swarm. I'll think about it. So far I am making maps for pure enjoyment.

Alpha Version: 0.2

Alpha Version: 0.2

Infested Office Full Version 1 comment

The first map of the map pack! Double click the unzipped file to install the addon, then make sure to enable it in game in the settings menu and you are...

AS Enhanced IAF

AS Enhanced IAF

Enhanced Interstella Armed Forces Full Version 0 comments

Nothing special, download and extract it as a new game. Start Steam then start swarm.exe. More information in READ ME.txt, please read it before playing...

AS:SP V Beta 0.3

AS:SP V Beta 0.3

Alien Swarm:SP Full Version 4 comments

This is version 0.3 beta of Alien Swarm SP. Blah blah blah....

ASDK - SourceMod Files (Alpha)

ASDK - SourceMod Files (Alpha)

Alien Swarm SDK Template Conversion Full Version 2 comments

The files you need for SourceMods directory in order to make your game use the ASDK source code. This basically is Alpha because it's ripped directly...

ASDK Version 1.0

ASDK Version 1.0

Alien Swarm SDK Template Conversion Full Version 1 comment

The latest version of the ASDK. This features ALL from the SDK Template inside Alien Swarm, to re-define what you need; simple edit the shareddef's file!

Bloodlines Resurgence Demo Installer 1.0.1.4

Bloodlines Resurgence Demo Installer 1.0.1.4

Bloodlines Resurgence Demo 6 comments

This installer converts your original version of the game into the latest Source engine with various working maps as demonstration of the mod. The installer...

Brawl Busters

Brawl Busters

Brawlers Full Version 4 comments

Brawl Busters, an online multiplayer action combat game, brings a brand new free-to-play experience to PC gamers from all over the world. Featuring innovative...

Brawl Busters Open Beta client

Brawl Busters Open Beta client

Brawlers Full Version 3 comments

The game update features two new modes, all new weapons and cool, never-before-seen outfits. The website will also receive an update that will allow players...

Chaos Swarm Marines

Chaos Swarm Marines

Chaos Swarm Marines Full Version 0 comments

There new mod chaos swarm marines, revision 7.3

Chaos Swarm Marines Red Edition

Chaos Swarm Marines Red Edition

Chaos Swarm Marines Full Version 3 comments

There new custom mod red edition special for chaos swarm marines and moddb, revision 7.3

Half-Life 2: Wars 2.0.0 FULL ZIP

Half-Life 2: Wars 2.0.0 FULL ZIP

Lambda Wars Full Version 17 comments

ZIP version, for advanced users only. Use Desura for installing automatic.

Half-Life 2: Wars 2.0.1 PATCH 7Zip

Half-Life 2: Wars 2.0.1 PATCH 7Zip

Lambda Wars Patch 10 comments

7Zip patch version, for advanced users only. Extract on top of your installation. Use Desura for automatic installation.

Half-Life 2: Wars 2.0.2 FULL 7z

Half-Life 2: Wars 2.0.2 FULL 7z

Lambda Wars Full Version 14 comments

7zip version, for advanced users only. Use Desura for installing automatic.

Half-Life 2: Wars 2.0.3 FULL 7z

Half-Life 2: Wars 2.0.3 FULL 7z

Lambda Wars Full Version 5 comments

7zip version, for advanced users only. Use Desura for installing automatic.

Half-Life 2: Wars 2.0.4 FULL 7z

Half-Life 2: Wars 2.0.4 FULL 7z

Lambda Wars Full Version 5 comments

7zip version, for advanced users only. Use Desura for installing automatic.

Half-Life 2: Wars 2.0.5 FULL 7z

Half-Life 2: Wars 2.0.5 FULL 7z

Lambda Wars Full Version 11 comments

Install Instructions: 1. Extract contents into your sourcemods folder (default location: C:\Program Files (x86)\steam\steamapps\sourcemods). 2. Restart...

Half-Life 2: Wars 2.0.6 FULL 7z

Half-Life 2: Wars 2.0.6 FULL 7z

Lambda Wars Full Version 12 comments

Install Instructions: 1. Extract contents into your sourcemods folder (default location: C:\Program Files (x86)\steam\steamapps\sourcemods). 2. Restart...

Half-Life 2: Wars 2.0.8 FULL 7z

Half-Life 2: Wars 2.0.8 FULL 7z

Lambda Wars Full Version 13 comments

Install Instructions: 1. Extract contents into your sourcemods folder (default location: C:\Program Files (x86)\steam\steamapps\sourcemods). 2. Restart...

Half-Life 2: Wars 2.0.9 FULL 7z

Half-Life 2: Wars 2.0.9 FULL 7z

Lambda Wars Full Version 22 comments

Install Instructions: 1. Extract contents into your sourcemods folder (default location: C:\Program Files (x86)\steam\steamapps\sourcemods). 2. Restart...

Half-Life 2: Wars 2.1.0 FULL 7z

Half-Life 2: Wars 2.1.0 FULL 7z

Lambda Wars Full Version 14 comments

Install Instructions: 1. Extract contents into your sourcemods folder (default location: C:\Program Files (x86)\steam\steamapps\sourcemods). 2. Restart...

Half-Life 2: Wars 2.1.1 FULL 7z

Half-Life 2: Wars 2.1.1 FULL 7z

Lambda Wars Full Version 8 comments

This release fixes a crashing issue on DX9 cards and improves several other things as well. Install Instructions: 1. Extract contents into your sourcemods...

Half-Life 2: Wars 2.1.2 FULL 7z

Half-Life 2: Wars 2.1.2 FULL 7z

Lambda Wars Full Version 17 comments

Install Instructions: 1. Extract contents into your sourcemods folder (default location: C:\Program Files (x86)\steam\steamapps\sourcemods). 2. Restart...

Half-Life 2: Wars 2.2.0 FULL 7z

Half-Life 2: Wars 2.2.0 FULL 7z

Lambda Wars Full Version 19 comments

Install Instructions: 1. Extract contents into your sourcemods folder (default location: C:\Program Files (x86)\steam\steamapps\sourcemods). 2. Restart...

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Alien Swarm
Platforms
Windows
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Valve
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Source Multi-Tool 1.0
Source Multi-Tool 1.0 Mapping Tool 932.71kb
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Reactive Drop 1.19 Full Full Version 773.85mb
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Lambda Wars 2.3.6 FULL EXE
Lambda Wars 2.3.6 FULL EXE Full Version 1.05gb
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Reality Arms MOD Full Version 4.59mb
Reactive Drop 1.17
Reactive Drop 1.17 Full Version 756.39mb
v3 Full
v3 Full Full Version 114.13mb
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Hypovolemia 0.1 Alpha Full Version 367.52mb
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AS:SP V Beta 0.3 Full Version 15.25mb
The Darkness Beta 0.35
The Darkness Beta 0.35 Other 18.45mb
Half-Life 2: Wars v0.5 EXE
Half-Life 2: Wars v0.5 EXE Full Version 126.74mb
AS Enhanced IAF
AS Enhanced IAF Full Version 1.27gb
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