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 Content (Today)
Co-Op
An alien swarm map for everyone to enjoy! Hope you like it. More >
Updated 03/05/14
Author hemuuuli

Rating
2 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
3 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
4 Holdout
Holdout
A quick survival map I created...and yes, it was significantly edited from it... More >
Updated 09/26/14
Author Echo

Rating
5 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
6 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
7 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
8 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
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 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
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 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
3 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
4 Cold Catwalks
Co-Op
An alien swarm map for everyone to enjoy! Hope you like it. More >
Updated 03/05/14
Author hemuuuli

Rating
5 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
6 Extermination
7 Maps Co-Op Campaign
Extermination is a campaign which unites these maps: Midnight harvest 1 Midni... More >
Updated 03/14/14
Author geotavros

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 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
9 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
10 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
Tropical / Beach