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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Faith +2 Voice Tweak

Faith +2 Voice Tweak

Language Sounds 6 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...

The Maze Campaign

The Maze Campaign

Multiplayer Map 11 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...

Team Fortress 2 Alien Swarm Soundpack

Team Fortress 2 Alien Swarm Soundpack

Animal Audio 8 comments

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

SoJa's Weapon Soundpack

SoJa's Weapon Soundpack

Weapons Audio 7 comments

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

Paranoia

Paranoia

Multiplayer Map 4 comments

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

Alien Swarm MapPack 1.2

Alien Swarm MapPack 1.2

Multiplayer Map 0 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...

Disable Drone's Screaming

Disable Drone's Screaming

Animal Audio 0 comments

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

Operation Cleansweep

Operation Cleansweep

Multiplayer Map 0 comments

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

Russian Translation \ Русский перевод

Russian Translation \ Русский перевод

GUIs 4 comments

Russian translation of UI. Русский перевод пользовательского интерфейса.

Ancient Ruins

Ancient Ruins

Multiplayer Map 6 comments

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

Weapon Sounds

Weapon Sounds

Weapons Audio 0 comments

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

Dead City v 1.2

Dead City v 1.2

Multiplayer Map 5 comments

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

Jacob's Practice

Jacob's Practice

Multiplayer Map 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.

Extermination Campaign v1.5

Extermination Campaign v1.5

Multiplayer Map 5 comments

Extermination is a campaign which unites single maps

Puzzle Bundle

Puzzle Bundle

Multiplayer Map 0 comments

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

Realistic Mod - Weapon and Difficult v.1.0.0

Realistic Mod - Weapon and Difficult v.1.0.0

Prefabs 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...

Reduction: The Alien Swarm Campaign

Reduction: The Alien Swarm Campaign

Multiplayer Map 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...

The labyrinth

The labyrinth

Multiplayer Map 0 comments

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

Hive

Hive

Multiplayer Map 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...

Alien Swarm MapPack 1.2+ to 1.4 Update

Alien Swarm MapPack 1.2+ to 1.4 Update

Multiplayer Map 9 comments

This is the Update 1.4 to Alien Swarm MapPack 1.2+ by goodone, the ultimate collection of campaigns, maps and enhancements for Valve's Alien Swarm, made...

Silenced Rifle

Silenced Rifle

Weapons Audio 0 comments

This addon replaces Assault Rifle shooting sound to a silenced shooting sound

Nest

Nest

Multiplayer Map 1 comment

Nest is a one mission campaign used in Alien Swarm: Reactive Drop mod(RD) for showcasing the power of the "Red drones". In RD these drones can't be ignited...

Nest Textures

Nest Textures

Textures 0 comments

Retexturing the Nest map with high resolution textures to make it look better

Jacob's Rest LDR

Jacob's Rest LDR

Multiplayer Map 0 comments

This is an official Jacob's Rest campaign but compiled with LDR lighting which gives much darker environment similar to the original Alien Swarm UT mod(2005...

Landing Bay Exterior Color Correction

Landing Bay Exterior Color Correction

Effects GFX 1 comment

Changes the color correction of the exterior part of Landing bay and all of Syntek Residential, Deima Bridge

Alien Eggs Loading Screen

Alien Eggs Loading Screen

Textures 1 comment

This addon replaces the Alien Swarm loading background

Sepia Color Correction

Sepia Color Correction

Effects GFX 0 comments

Adds sepia color correction. Three addons that override color correction used in Jacob's Rest.

Map Overview Loading Screen

Map Overview Loading Screen

Textures 0 comments

This addon replaces the Alien Swarm map loading background image. Extract it to Alien Swarm/swarm/addons folder

Absolute Madness

Absolute Madness

Multiplayer Map 2 comments

Finally it is here. Most complex unlinear openworld map with additional areas and quests with huge amount of custom models, textures, particles and even...

Delusion

Delusion

Multiplayer Map 1 comment

Delusion is a one map campaign created by ShadowsInRain. It's a hard map, so be ready for it.

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Alien Swarm
Platforms
Windows
Developer & Publisher
Valve
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Homepage
Alienswarm.com
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2.86gb
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Extermination Campaign v1.5 Multiplayer Map 103.42mb
Operation Cleansweep
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Puzzle Bundle
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Addon Categories
- Multiplayer Map
20
- Prefabs
1
- Weapons Model
1
- Animal Audio
2
- Weapons Audio
4
- Language Sounds
1
- Effects GFX
2
- GUIs
1
- Textures
5