Alien Swarm Mods

Best mods

Arctic Infiltration

  • [Map]
  • Posted almost 16 years ago
  • 1 download

Arctic Infiltration is my first proper map for Alien Swarm free game released on Steam. A team of elite IAF marines are sent to investigate a mysterious SynTek Research Facility.

Yanaurus Mine

  • [Map]
  • Posted almost 16 years ago
  • 1 download

Distress 10-1.23 ... Yanaurus Mine has gone silent.

Tears for Tarnor, Chapter 1: Insertion

  • [Map]
  • Posted almost 16 years ago
  • 1 download

The 1st chapter of a campaign telling the story of an unfriendly barren rock orbiting a near-dead star where civilisation somehow managed to take hold, only to be brought to it's end at the teeth and claws of the swarm. Read full details...

Arctic Infiltration

  • [Map]
  • Posted almost 16 years ago
  • 1 download

Arctic Infiltration is a single map where your team of marines are sent to investigate a SynTek Research Facility after receiving a distress call from the facility.

IAF Weapon Drop 1.1

  • [Mod]
  • Posted about 14 years ago
  • 1 download

Almost all weapons were modified more or less noticeable. Some of them are big changes (like semi-auto Railguns and Sniper Rifles or Miniguns with lot more ammo but much longer reload time) and some are only damage or reload time tweak. Also removed class

Power Plant

  • [Map]
  • Posted almost 16 years ago
  • 1 download

I've worked on a custom map with a few friends and we really like how it looks and the things you have to do. So we decided to upload the map. We did'nt use Tilegen We are constantly adding things to the map so this is not the final release. So if you

Lana's Escape v0.81

  • [Map]
  • Posted over 15 years ago
  • 1 download

Lana's Escape is a five map campaign on Planet 137. An IAF weapon facility has activated its maximum security systems, you squad is sent to investigate.