Alien Swarm
Alien Swarm is a freeware top-down shooter video game by Valve Corporation.
Today's Top Maps
Co-Op
An alien swarm map for everyone to enjoy! Hope you like it. More >
Updated 03/05/14
Author hemuuuli

Rating
2 The Titanic
Co-Op
Escape from the famous ship: THE TITANIC This is my first map which I upload... More >
Updated 09/29/14
Author Alexman24

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 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
5 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
6 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
7 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
8 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
9 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
10 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
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 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
3 The Titanic
Co-Op
Escape from the famous ship: THE TITANIC This is my first map which I upload... More >
Updated 09/29/14
Author Alexman24

Rating
4 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
5 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
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 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 Nepumax' Colorful Marines
Marines
This pack includes recolored marine skins for Alien Swarm. * INSTALL INSTRUC... More >
Updated 09/26/14
Author Nepumax

Rating
10 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
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 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
3 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
4 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
5 Cold Catwalks
Co-Op
An alien swarm map for everyone to enjoy! Hope you like it. More >
Updated 03/05/14
Author hemuuuli

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

Rating
9 The Titanic
Co-Op
Escape from the famous ship: THE TITANIC This is my first map which I upload... More >
Updated 09/29/14
Author Alexman24

Rating
10 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
Lost Cause Alien Swarm
Hold off against the swarm in this survival map. You have to keep alive for at least 10 minutes to win the mission.
View Changelog (v3.0 Final)
Updated: 09/26/14   •   Views: 3,473  •  lostcause.vpk (1MB)