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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Reactive Drop 1.17 to 1.18 Patch

Reactive Drop 1.17 to 1.18 Patch

Jul 8, 2015 Alien Swarm: Reactive Drop Patch (17.05mb) 0 comments

Adds new green skin for Antlion Guard, new map Nest Rapture, new challenge Difficulty Tier 2. Requires 1.17 version installed. Extract this archive into...

v3 Full

v3 Full

Jun 18, 2015 Swarm Director 2 Full Version (114.13mb) 3 comments

v3 is finally here, with a heap of bugfixes and new features.

Reactive Drop 1.17

Reactive Drop 1.17

Jun 18, 2015 Alien Swarm: Reactive Drop Full Version (756.39mb) 4 comments

Delete old version. Extract to <path to steam>\SteamApps\sourcemods. Restart Steam. In this version you'll see bug fixes, map improvements, new map Nest...

Chaos Swarm Marines Red Edition

Chaos Swarm Marines Red Edition

May 29, 2015 Chaos Swarm Marines Full Version (26.73mb) 2 comments

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

Chaos Swarm Marines

Chaos Swarm Marines

May 29, 2015 Chaos Swarm Marines Full Version (30.75mb) 0 comments

There new mod chaos swarm marines, revision 7.3

v2 Incremental Update 4

v2 Incremental Update 4

May 21, 2015 Swarm Director 2 Full Version (115.08mb) 0 comments

An incremental update to v2 containing new features and bugfixes. Compatible with v2 through v2 Incremental Update 3.

Space Swarm Marines v8.1 (update)

Space Swarm Marines v8.1 (update)

May 20, 2015 Space Swarm Marines Patch (60.95mb) 1 comment

Well done i fixed more models and animations. :)

v2 Incremental Update 3

v2 Incremental Update 3

May 16, 2015 Swarm Director 2 Full Version (13.86mb) 0 comments

An incremental update to v2 containing new features and bugfixes. Compatible with v2 through v2 Incremental Update 2.

v2 Incremental Update 2

v2 Incremental Update 2

May 11, 2015 Swarm Director 2 Patch (6.45mb) 0 comments

An incremental update to v2 containing new features and bugfixes. Compatible with v2 and v2 Incremental Update 1.

v2 Incremental Update 1

v2 Incremental Update 1

May 9, 2015 Swarm Director 2 Patch (6.45mb) 0 comments

An incremental update to v2 containing new features and bugfixes. Compatible with v2.

Space Swarm Marines v8.0

Space Swarm Marines v8.0

May 5, 2015 Space Swarm Marines Full Version (60.97mb) 0 comments

Well done, release ready and now all can downloading.

v2 Full

v2 Full

May 4, 2015 Swarm Director 2 Full Version (13.76mb) 2 comments

v2 adds per-player first person, an even more powerful director, ASB2's spawn lists, player2k's Better HUD Mod, new entities, and bugfixes for several...

Reactive Drop 1.13 to 1.16 Patch

Reactive Drop 1.13 to 1.16 Patch

Apr 17, 2015 Alien Swarm: Reactive Drop Patch (16.16mb) 0 comments

Requires version 1.13 installed. Extract to <path to steam>\SteamApps\sourcemods. Restart Steam. This update adds Antlion Guard from HL2 which spawns...

Reactive Drop 1.13 to 1.15 Patch

Reactive Drop 1.13 to 1.15 Patch

Apr 10, 2015 Alien Swarm: Reactive Drop Patch (3.68mb) 0 comments

Requires version 1.13 installed. Extract to <path to steam>\SteamApps\sourcemods. Restart Steam

Reactive Drop 1.13 to 1.14 Patch

Reactive Drop 1.13 to 1.14 Patch

Apr 5, 2015 Alien Swarm: Reactive Drop Patch (3.69mb) 0 comments

Requires version 1.13 installed. Extract to <path to steam>\SteamApps\sourcemods. Restart Steam

Reactive Drop 1.13

Reactive Drop 1.13

Mar 21, 2015 Alien Swarm: Reactive Drop Full Version (735.10mb) 0 comments

Misc fixes, weapon balancing for pvp, see changelog. Delete old version. Extract to <path to steam>\SteamApps\sourcemods. Restart Steam

Reactive Drop Launcher 1.01, Archive

Reactive Drop Launcher 1.01, Archive

Mar 21, 2015 Alien Swarm: Reactive Drop Installer Tool (13.65mb) 0 comments

Reactive Drop Launcher is an application that allows users to easily install, update or delete Alien Swarm: Reactive Drop mod. It uses Subversion(SVN...

Reactive Drop Launcher 1.01, Installer

Reactive Drop Launcher 1.01, Installer

Mar 21, 2015 Alien Swarm: Reactive Drop Installer Tool (22.05mb) 0 comments

Reactive Drop Launcher is an application that allows users to easily install, update or delete Alien Swarm: Reactive Drop mod. It uses Subversion(SVN...

Reactive Drop 1.11 to 1.12 Patch

Reactive Drop 1.11 to 1.12 Patch

Feb 17, 2015 Alien Swarm: Reactive Drop Patch (126.85mb) 1 comment

Extract this into sourcemods folder. Requires version 1.11 installed. See changelog at homepage

Reactive Drop 1.11

Reactive Drop 1.11

Jan 5, 2015 Alien Swarm: Reactive Drop Full Version (1,126.48mb) 0 comments

Misc fixes, performance optimization and weapon balancing. Extract to <path to steam>\SteamApps\sourcemods. Restart Steam

Reactive Drop 1.10

Reactive Drop 1.10

Oct 8, 2014 Alien Swarm: Reactive Drop Full Version (1,105.73mb) 0 comments

New weapons, bug fixes, map fixes, jump_jet_trigger for mappers etc. Extract to <path to steam>\SteamApps\sourcemods. Restart Steam

v1 Full

v1 Full

Jul 4, 2014 Swarm Director 2 Full Version (952.82mb) 3 comments

The first release of Swarm Director 2! Adds navmesh support, several community campaigns, better marine AI, a more powerful AI director, and a new game...

Reactive Drop 1.09

Reactive Drop 1.09

Jun 21, 2014 Alien Swarm: Reactive Drop Full Version (1,097.14mb) 1 comment

Full 1.09 version. Recommended for those who didn't have Reactive Drop installed. Extract to <path to steam>\SteamApps\sourcemods. Restart Steam

Patch 1.08 to 1.09

Patch 1.08 to 1.09

Jun 21, 2014 Alien Swarm: Reactive Drop Patch (3.84mb) 0 comments

Extract this patch on top of 1.08 version. Added support for 7 bot marines. Added displaying of 7 marines in lobby screen.

Lambda Wars 2.3.6 FULL EXE

Lambda Wars 2.3.6 FULL EXE

Jun 9, 2014 Lambda Wars Full Version (1,080.22mb) 15 comments

The newest version you can now get directly on steam, completely free, no other games needed. Install Instructions: 1. Run the Installer and follow the...

Lambda Wars 2.3.6 FULL 7z

Lambda Wars 2.3.6 FULL 7z

Jun 9, 2014 Lambda Wars Full Version (1,071.11mb) 2 comments

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

Patch 1.07 to 1.08

Patch 1.07 to 1.08

May 23, 2014 Alien Swarm: Reactive Drop Patch (19.87mb) 2 comments

Extract this into sourcemods. Requires version 1.07 installed

Lambda Wars 2.3.5 7z PATCH

Lambda Wars 2.3.5 7z PATCH

May 10, 2014 Lambda Wars Patch (194.41mb) 4 comments

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

Lambda Wars 2.3.5 FULL EXE

Lambda Wars 2.3.5 FULL EXE

May 10, 2014 Lambda Wars Full Version (1,144.14mb) 6 comments

Install Instructions: 1. Run the Installer and follow the instructions. 2. Restart steam. 3. "Lambda Wars" should now appear in your games list. If you...

Lambda Wars 2.3.5 FULL 7z

Lambda Wars 2.3.5 FULL 7z

May 10, 2014 Lambda Wars Full Version (1,135.26mb) 0 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
Platform
Windows
Developer & Publisher
Valve
Engine
Source
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Official Page
Alienswarm.com
Release Date
Released 2010
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Size
33.47gb
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IAF Weapon Drop v1.1 Full Version (0.42mb)
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Reactive Drop Launcher 1.01, Archive Installer Tool (13.65mb)
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Source Sauce Plugin (0.25mb)
Lambda Wars 2.3.4 FULL 7z
Lambda Wars 2.3.4 FULL 7z Full Version (1,042.77mb)
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 - Patch
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6
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