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.
Puzzle Bundle is a campaign containing puzzle maps Brainwater Shieldbug Wrangling and Brainwater Warehouse by Nightgunner5, Industrial Jungle by Lycosa...
Extermination is a campaign which unites single maps
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 is a 3 mission campaign by Daniel101. Version 1.2 contains network optimization for mission 3.
This addon replaces sounds for Autogun, Minigun, Rifle, Prototype Rifle, Flamer, PDW, Tesla.
Ancient Ruins campaign with bloom fix and a working DL link to Mod DB.
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 of UI. Русский перевод пользовательского интерфейса.
Campaign Operation Cleansweep with bloom fix and a working DL link to Mod DB.
This addon disables drone's screaming, pain and roar sounds in Alien Swarm.
Just a nicer skin for Spetsnaz team. Made for Hypovelemia v0.1 Alpha.
The ultimate collection of campaigns, maps and enhancements for Valve's Alien Swarm, made for and by the gamer community, selected through quality assurance...
A three-mission campaign by Eclipse. -------------
This is my pack that just replace every weapon in alienswarm with my better quality remakes. Preview in descriprtion.
Ever wish all those terrifying aliens sounded more like the characters from Team Fortress 2?
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...
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...