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Lambda Wars
Lambda Wars is a free standalone multiplayer Source Engine modification set in the Half-Life 2 universe that brings the war between mankind and their brutal Combine overlords to a traditional real-time strategy (RTS) setting.

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Features
Languages:
Interface Full Audio Subtitles
English ✔ ✔
German ✔
Russian ✔
Spanish - Spain ✔
Korean ✔
Romanian ✔
Portuguese - Portugal ✔
Portuguese - Brazil ✔
French ✔
Hungarian ✔
Ukrainian ✔
Spanish - Latin America ✔
Czech ✔
See all 13 supported languages
Includes 21 Steam Achievements
View
all 21
Awards
  • Mod DB - Mod of the Year 2008 (10th place)
  • Mod DB - Players Choice - Mod of the Year 2010 (9th place)
  • Mod DB - Editors Choice - Mod of the Year 2014 - Best Overhaul

Community-Made Mod

This is a free community-made modification for Alien Swarm set in the Half-Life 2 universe.

Click here to learn more about mods on Steam.

Install Lambda Wars

Free Alien Swarm Mod

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About This Game

Lambda Wars is a free multiplayer Source Engine modification for Alien Swarm set in the Half-Life 2 universe that brings the war between mankind and their brutal Combine overlords to a traditional real-time strategy (RTS) setting. Lead the uprising as a commander of the Resistance or crush the rebellion as an overlord of the Combine, with both factions featuring a full host of units, abilities, buildings, research and defenses. Lambda Wars features full-fledged RTS gameplay and a robust RTS interface and is focused on multiplayer but strategic AI opponents and dedicated singleplayer missions are also included.

features


  • Classic real-time strategy (RTS) gameplay in the Half-Life 2 world
  • Multiplayer support and game lobby including spectator mode
  • Wide variety of maps for up to 8 human or AI players
  • Play as either Combine or Resistance (and also Antlions in Sandbox mode)