Alien SwarmMods
Alien Swarm
Alien Swarm mods
A mod changes the game itself. It needs something to load it, it may need other mods first, and it only works on the versions its author built it for.
99 mods · newest update 20 Jan 2026
- EmerlenDerFirstMapby EmerlenDerMaps / Other/Miscupdated 16 y ago
- redsnowby cipsasMaps / Campaignupdated 16 y ago
- Bespin Base Packby HorizordPrefabs / Other/Miscupdated 16 y ago
- Building Holdoutby deatshkillsqMaps / Campaignupdated 16 y ago
- Survivorby Mr.RampageMaps / Other/Miscupdated 16 y ago
- Killzoneby HARDCOREKILLERNLMaps / Other/Miscupdated 16 y ago
- TF2 Style Medi-Beamby FissionMetroid101Effects / Other/Miscupdated 15 y ago
- Entranceby Crusader_binMaps / Campaignupdated 16 y ago
- Holdout Cargobayby DestroptorMaps / Other/Miscupdated 16 y ago
- Paranoia : Episode 2.by EclipseFRMaps / Campaignupdated 16 y ago
- Awesome smiley emoteby Elisab1hGUIs / Other/Miscupdated 9 mo ago
- Operation x5by uradzimiruMaps / Campaignupdated 16 y ago
- Scavenger Hunt Prefab (Random)by Spectre13Maps / Other/Miscupdated 16 y ago
- Mission Queenby Zorg045Maps / Campaignupdated 16 y ago
- World 1-1by MonkeyChiefMaps / Campaignupdated 16 y ago
- Tears for Tarnorby EzekelMaps / Campaignupdated 16 y ago
- Ground Zeroby Spectre13Maps / Campaignupdated 16 y ago
- TheQueen_by_soulim final_ver.by Soulim95Maps / Campaignupdated 16 y ago
- Emergency Deploymentby holy mac molyMaps / Other/Miscupdated 11 y ago
- TheQueen_by_soulim Bêtaby Soulim95Maps / Campaignupdated 16 y ago
- Sky Cityby eieio1Maps / Campaignupdated 16 y ago
- Parking Garage Survival b2by SonicPantsMaps / Campaignupdated 16 y ago
- First visitby STALKER4732Maps / Campaignupdated 16 y ago
- Hearts for healingby PelkEffects / Other/Miscupdated 15 y ago
- DarkPathby Lama!asMaps / Other/Miscupdated 16 y ago
- Achievement mapby STALKER4732Maps / Campaignupdated 16 y ago
- Infected lab v2by HerezyMaps / Campaignupdated 16 y ago
- FlamesPlatform (fixed)by redmillyMaps / Campaignupdated 16 y ago
- Paranoia : Episode 1.by EclipseFRMaps / Campaignupdated 16 y ago
- Marine Defense - Alley Defenseby ReNuMaps / Other/Miscupdated 16 y ago
- Woodland Holdoutby Darkslime22Maps / Other/Miscupdated 16 y ago
- Outpost 5by larrybrainsMaps / Campaignupdated 16 y ago
- Alien Swarm Dock Iconby deadman22GUIs / Other/Miscupdated 9 y ago
- Containmentby Anti-SocialMaps / Other/Miscupdated 16 y ago
- Warehouseby STALKER4732Maps / Campaignupdated 16 y ago
- The Investigationby Crusader_binMaps / Campaignupdated 16 y ago
- Holdout_prby ProkerMaps / Other/Miscupdated 16 y ago
- Laboratoryby ZmashMaps / Campaignupdated 16 y ago
- Lost Causeby daniel10166Maps / Other/Miscupdated 16 y ago
- Deathmatch 2 and 3 Combo Packby shinokorosha (Ian B.)Maps / Other/Miscupdated 16 y ago
- Cloud City - Bespinby LocutusPrefabs / Other/Miscupdated 16 y ago
- Spygas's missionV5by SpygasMaps / Other/Miscupdated 16 y ago
- Ainox Complexby HappyCharcherMaps / Other/Miscupdated 16 y ago
- survival_outpost_snowby kaukassusMaps / Other/Miscupdated 16 y ago
- Pacman Swarmby TheDevilDaDogMaps / Other/Miscupdated 16 y ago
- The Queen and her Royal Armyby MoshpitManiaMaps / Other/Miscupdated 16 y ago
- Isolationby ThatSomeOneOverThereMaps / Campaignupdated 16 y ago
- asi_deathmatch_1by shinokorosha (Ian B.)Maps / Other/Miscupdated 16 y ago
99 mods, most downloaded first. Each one has its own page here with what it needs to run and where its author publishes it; the files themselves stay with the author and are never re-hosted on this site.