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.

Addons RSS Feed Summary List Related Addons
Added | Game Name | Type | Licence
Silencer mod
Alien Swarm

Silencer mod

Nov 12, 2014 Alien Swarm:Silencer Mod Weapons Audio proprietary licence (11.69mb) 0 comments

As the introduction of the mod.Please install the mod as the instruction in the file.

Hive
Alien Swarm

Hive

Mar 29, 2014 Alien Swarm Multiplayer Map proprietary licence (15.23mb) 11 comments

Marines we have received an emergency beacon from the genetic lab at LVR-784,but we have no response on the comms! Hustle up and investigate the situation...

The labyrinth
Alien Swarm

The labyrinth

Mar 5, 2014 Alien Swarm Multiplayer Map proprietary licence (3.01mb) 0 comments

this is a multiplayer alien swarm map. its very hard and takes 10-30 minutens.

Reduction: The Alien Swarm Campaign
Alien Swarm

Reduction: The Alien Swarm Campaign

Jan 10, 2014 Alien Swarm Multiplayer Map proprietary licence (449.47mb) 1 comment

You are a squad of "Offworld Drop Marines". You are engaged in a war with hostile creatures in the Outer Systems. Your tour ending, you have returned...

Ch1ckensCoop Rem1x Map Pack
Alien Swarm

Ch1ckensCoop Rem1x Map Pack

Aug 22, 2013 Alien Swarm:SP Multiplayer Map public domain licence (1,356.03mb) 0 comments

Ch1ckensCoop MapPack. Currently on my server. Unlike mappack 1.2 this contains the newer maps. I have NOT tested all of the maps, and i know some can...

(AS) Evilcorp
Alien Swarm

(AS) Evilcorp

Jul 30, 2013 Alien Swarm:SP Multiplayer Map proprietary licence (14.51mb) 4 comments

This is an "Clear out an Office Building" type Alienswarm Map and no it doesnt have anything to do with Dr. Evil or any Austin Power movie - its just...

Realistic Mod - Weapon and Difficult v.1.0.0
Alien Swarm

Realistic Mod - Weapon and Difficult v.1.0.0

Jun 21, 2013 Alien Swarm Prefabs proprietary licence (0.02mb) 4 comments

Hy. This is my first Addon for Alien Swarm i ever did. I'm finally played with that addon only with a fev friend's , becouse we enjoying this game on...

Puzzle Bundle
Alien Swarm

Puzzle Bundle

Oct 12, 2012 Alien Swarm Multiplayer Map creative commons licence (14.92mb) 0 comments

Puzzle Bundle is a campaign containing puzzle maps Brainwater Shieldbug Wrangling and Brainwater Warehouse by Nightgunner5, Industrial Jungle by Lycosa...

Extermination Campaign v1.5
Alien Swarm

Extermination Campaign v1.5

Oct 5, 2012 Alien Swarm Multiplayer Map creative commons licence (103.42mb) 5 comments

Extermination is a campaign which unites single maps

Jacob's Practice
Alien Swarm

Jacob's Practice

Sep 14, 2012 Alien Swarm Multiplayer Map creative commons licence (0.00mb) 0 comments

This tiny addon allows you to play Jacob's Rest Practice map in multiplayer. It is Landing Bay and Cargo Elevator maps united in one map.

Dead City v 1.2
Alien Swarm

Dead City v 1.2

Aug 3, 2012 Alien Swarm Multiplayer Map proprietary licence (45.79mb) 5 comments

Dead City is a 3 mission campaign by Daniel101. Version 1.2 contains network optimization for mission 3.

Weapon Sounds
Alien Swarm

Weapon Sounds

Jul 25, 2012 Alien Swarm Weapons Audio creative commons licence (1.34mb) 0 comments

This addon replaces sounds for Autogun, Minigun, Rifle, Prototype Rifle, Flamer, PDW, Tesla.

Ancient Ruins
Alien Swarm

Ancient Ruins

Jul 10, 2012 Alien Swarm Multiplayer Map creative commons licence (5.94mb) 6 comments

Ancient Ruins campaign with bloom fix and a working DL link to Mod DB.

asb2 mode mappack
Alien Swarm

asb2 mode mappack

Jul 9, 2012 ASB² mod Multiplayer Map proprietary licence (371.27mb) 3 comments

asb2 mode mappack 2. Arctic Infiltration 3. The Beginning 4. Bl Rescue 5. Call to Cathalu 6. Dead City 7. Forgotten Factory 8. Lana’s Escape 9. Operation...

Russian Translation \ Русский перевод
Alien Swarm

Russian Translation \ Русский перевод

Jun 29, 2012 Alien Swarm GUIs creative commons licence (0.11mb) 5 comments

Russian translation of UI. Русский перевод пользовательского интерфейса.

Operation Cleansweep
Alien Swarm

Operation Cleansweep

Jun 24, 2012 Alien Swarm Multiplayer Map creative commons licence (15.46mb) 0 comments

Campaign Operation Cleansweep with bloom fix and a working DL link to Mod DB.

Disable Drone's Screaming
Alien Swarm

Disable Drone's Screaming

Jun 19, 2012 Alien Swarm Animal Audio creative commons licence (0.00mb) 0 comments

This addon disables drone's screaming, pain and roar sounds in Alien Swarm.

Spetsnaz reskin
Alien Swarm

Spetsnaz reskin

May 19, 2012 Hypovolemia Players Skin public domain licence (1.29mb) 6 comments

Just a nicer skin for Spetsnaz team. Made for Hypovelemia v0.1 Alpha.

Alien Swarm MapPack 1.2
Alien Swarm

Alien Swarm MapPack 1.2

Apr 9, 2012 Alien Swarm Multiplayer Map creative commons licence (811.80mb) 2 comments

The ultimate collection of campaigns, maps and enhancements for Valve's Alien Swarm, made for and by the gamer community, selected through quality assurance...

Paranoia
Alien Swarm

Paranoia

Jan 18, 2011 Alien Swarm Multiplayer Map proprietary licence (90.81mb) 4 comments

A three-mission campaign by Eclipse. -------------

SoJa's Weapon Soundpack
Alien Swarm

SoJa's Weapon Soundpack

Aug 2, 2010 Alien Swarm Weapons Audio creative commons licence (6.42mb) 7 comments

This is my pack that just replace every weapon in alienswarm with my better quality remakes. Preview in descriprtion.

Team Fortress 2 Alien Swarm Soundpack
Alien Swarm

Team Fortress 2 Alien Swarm Soundpack

Jul 25, 2010 Alien Swarm Animal Audio public domain licence (7.88mb) 8 comments

Ever wish all those terrifying aliens sounded more like the characters from Team Fortress 2?

The Maze Campaign
Alien Swarm

The Maze Campaign

Jul 25, 2010 Alien Swarm Multiplayer Map public domain licence (19.41mb) 10 comments

This map pack's goal was to add 3 new maps that have multiple routes that can, and must, eventually be taken. You will be running all over the place trying...

Faith +2 Voice Tweak
Alien Swarm

Faith +2 Voice Tweak

Jul 23, 2010 Alien Swarm Language Sounds proprietary licence (2.32mb) 5 comments

I don't like the default voice for Faith the medic in the Valve edition of Alien Swarm. This is a very simple mod that makes her voice a little higher...

Icon
Alien Swarm
Platform
Windows
Developer & Publisher
Valve
Engine
Source
Contact
Send Message
Official Page
Alienswarm.com
Release Date
Released Jul 18, 2010
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Addon Statistics
Files
24
Size
3.27gb
Downloads
60,715
Downloads Today
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Popular Addons
Alien Swarm MapPack 1.2
Alien Swarm MapPack 1.2 Multiplayer Map (811.80mb)
Extermination Campaign v1.5
Extermination Campaign v1.5 Multiplayer Map (103.42mb)
Reduction: The Alien Swarm Campaign
Reduction: The Alien Swarm Campaign Multiplayer Map (449.47mb)
The labyrinth
The labyrinth Multiplayer Map (3.01mb)
Puzzle Bundle
Puzzle Bundle Multiplayer Map (14.92mb)
The Maze Campaign
The Maze Campaign Multiplayer Map (19.41mb)
Ch1ckensCoop Rem1x Map Pack
Ch1ckensCoop Rem1x Map Pack Multiplayer Map (1,356.03mb)
Hive
Hive Multiplayer Map (15.23mb)
Weapon Sounds
Weapon Sounds Weapons Audio (1.34mb)
Dead City v 1.2
Dead City v 1.2 Multiplayer Map (45.79mb)
Addon Categories
 - Multiplayer Map
15
 - Prefabs
1
 - Players Skin
1
 - Animal Audio
2
 - Weapons Audio
3
 - Language Sounds
1
 - GUIs
1