Alien Swarm
Alien Swarm is a game and Source SDK release from a group of talented designers at Valve who were hired from the Mod community. Available free of charge, the game thrusts players into 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 ...
Popular House / Structure Maps
2 Maps Co-Op Campaign
Your mission was to find and destroy a secret alien lab. Now you have crash l... More >
Updated 09/30/14
Author BioHazard

Rating
Popular Content (Today)
Marines
1_ Extract the .ZIP file. 2_ Move the robot-1.vpk file to ":\Program files\St... More >
Updated 09/26/14
Author lucas rojas

Rating
2 Nepumax' Colorful Marines
Marines
This pack includes recolored marine skins for Alien Swarm. * INSTALL INSTRUC... More >
Updated 09/26/14
Author Nepumax

Rating
3 SurvivalArena
Holdout
This is a survival map, where our place is the arena of battle. Our job is to... More >
Updated 09/29/14

Rating
4 Dead City
Co-Op
An epic bug hunt featuring a unique blend of co-op play and squad-level tacti... More >
Updated 03/06/14
Author Daniel101

Rating
5 Outpost 5
Co-Op
This is a Tilegen but I tried to add enough detail and change it up enough to... More >
Updated 09/26/14
Author larrybrains

Rating
6 Holdout_pr
Holdout
Holdout Hi all. New version is 1.9 Added Briefing map. Added wind sound. Adde... More >
Updated 09/26/14
Author Proker

Rating
7 Ground Zero
2 Maps Co-Op Campaign
Your mission was to find and destroy a secret alien lab. Now you have crash l... More >
Updated 09/30/14
Author BioHazard

Rating
8 The Dead Temple
5 Maps Co-Op Campaign
There are five missions in this Campaign. All the missions have specific obj... More >
Updated 09/26/14
Author Xacktar

Rating
9 Lost Cause
Holdout
Hold off against the swarm in this survival map. You have to keep alive for a... More >
Updated 09/26/14
Author daniel10166

Rating
10 survival_outpost_snow
Holdout
This is a survival map You have to hold out in an outpost for 10 minutes and ... More >
Updated 09/26/14
Author Asus

Rating
Popular Content (Monthly)
Co-Op
An epic bug hunt featuring a unique blend of co-op play and squad-level tacti... More >
Updated 03/06/14
Author Daniel101

Rating
2 Cold Catwalks
Co-Op
An alien swarm map for everyone to enjoy! Hope you like it. More >
Updated 03/05/14
Author hemuuuli

Rating
3 Drone Lab
Co-Op
This map/campaign is in the early stages, and I thought that I should release... More >
Updated 03/06/14
Author XionOfChaos

Rating
4 robot-1
Marines
1_ Extract the .ZIP file. 2_ Move the robot-1.vpk file to ":\Program files\St... More >
Updated 09/26/14
Author lucas rojas

Rating
5 Nepumax' Colorful Marines
Marines
This pack includes recolored marine skins for Alien Swarm. * INSTALL INSTRUC... More >
Updated 09/26/14
Author Nepumax

Rating
6 Ground Zero
2 Maps Co-Op Campaign
Your mission was to find and destroy a secret alien lab. Now you have crash l... More >
Updated 09/30/14
Author BioHazard

Rating
7 Holdout_pr
Holdout
Holdout Hi all. New version is 1.9 Added Briefing map. Added wind sound. Adde... More >
Updated 09/26/14
Author Proker

Rating
8 Tears for Tarnor
3 Maps Co-Op Campaign
Welcome to the harsh planet of Tarnor. A nearly airless rock circling an anci... More >
Updated 09/29/14
Author Ezekel

Rating
9 The Dead Temple
5 Maps Co-Op Campaign
There are five missions in this Campaign. All the missions have specific obj... More >
Updated 09/26/14
Author Xacktar

Rating
10 survival_outpost_snow
Holdout
This is a survival map You have to hold out in an outpost for 10 minutes and ... More >
Updated 09/26/14
Author Asus

Rating
House / Structure
2 Maps
2 Maps Co-Op Campaign
Your mission was to find and destroy a secret alien lab. Now you have crash l... More >
Updated 09/30/14
Author BioHazard

Rating
Your mission was to find and destroy a secret alien lab. Now you have crash landed and are stranded in an infested forest. Find your way to the underground entrance and complete your mission. Be sure you read any hints on the screen and pay attention to the areas around you. Check computers, look for keys, and conserve your gear, you're going to need it.
2 Maps
2 Maps Co-Op Campaign
Your mission was to find and destroy a secret alien lab. Now you have crash l... More >
Updated 09/30/14
Author BioHazard

Rating