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Evilcorp is a one map campaign for Alien Swarm by GRRRR aka Schleicher. This is the original version but packed in VPK with fixed file conflicts, crashes...
Midnight Harvest is a two map Alien Swarm campaign by Jarhchief. This version has the unchanged BSP files but fixed TXT files. Fixed file conflicts and...
Replaces color correction to sepia effect in Orion's Threat campaign map 1.
Hessian Border Station is a two map campaign by Johannes Lerch. This is the original campaign with a fixed download link, included AIN files, fixed marines...
Nitro Canister Case is a one map campaign for Alien Swarm created by Tien. The map is very hard with lots of ambushes. This is the original version with...
Research 7 is a four map campaign for Alien Swarm created by Will "Issus" Rogers. This is the original version of this campaign with a fixed download...
Infected Lab X is a one mission campaign for Alien Swarm made by Herezy. This is a map into an underground laboratory, your squad need to find the exit...
Invisible Threat is a one map campaign for Alien Swarm.
Play through three intense missions about the planet Larnok in the galaxy of Vidarnaq. This is the original campaign with a fixed download link, included...
The Beginning is a four map campaign for Alien Swarm by Kenny_WWE. This is a version with a fixed download link, included AIN files. Fully compatible...
Outpost 5 is a one mission asw_tilegen based map by larrybrains. He tried to add enough detail and change it up enough to make it worthwhile. This is...
City 17 is a five mission Alien Swarm campaign by Mixmedia. It features content from Half-Life 2.
Paranoia is a three mission campaign created by Eclipse. This is the original Paranoia campaign with a fixed download link, included AIN files and removed...
An Alien Swarm campaign taking place on the hostile desert planet of Tarnor.
Lana's Escape is a five mission campaign created by JG Finat as Hephalistofene. This is a version with a fixed download link, included AIN files. Fully...
This config turns off some of postprossessing what makes the picture more clear. It turns off bloom, blur, grain and vignette.
Changes parasites to render them bright and noticeable. Useful for low end PCs which have Shaders setting on Low. And for players who play on hardcore...
Changes all color correction in Alien Swarm to black and white
Changes all color correction in Alien Swarm to be greenish. Feel the game in a new way!
A simple circle snowy arena map which will test your skills. Version 2 fixes an issue that server sometimes becomes unranked. Version 3 fixes ground texture...
This addon changes the sound of minigun and autogun to a more bass variant. snd_rebuildaudiocache command is required after installation
Silent Corridors is currently a one map campaign created with asw_tilegen. It will be updated frequently.
This addon replaces textures in Beyond Limits campaign map one.
This addon replaces textures in Beyond Limits campaign map one. All textures are taken from textures.com and are licensed under the textures.com license.
Delusion is a one map campaign created by ShadowsInRain. It's a hard map, so be ready for it.
This addon replaces the Alien Swarm map loading background image. Extract it to Alien Swarm/swarm/addons folder
Adds sepia color correction. An addon that override color correction used in Jacob's Rest campaign.
This addon replaces the Alien Swarm loading background
Changes the color correction of the exterior part of Landing bay and all of Syntek Residential, Deima Bridge