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Half-Life 2 RTS mod Lambda Wars launches after 13 years in developmentModders started making it way back in 2007
Modders started making it way back in 2007

Way back in 2007, Alec Meer (RPS in peace)played a promising RTS modforHalf-life 2. “It’s a ton of fun to see the familiar in such a different and well-considered format,” he said. “But it’s very, very early, with a lot of work to go.“And a whole lot of work it was - 13 years of it. But over the weekend,Lambda Warsfinally launched in full, inviting players to explore the world of Half-life 2 from a new perspective (that is: a strategic top-down one).Lambda Wars is a free standalone mod set in the HL2 universe, and based off of the code for Valve’s 2010 top-down shooter,Alien Swarm. It sees players take up the mantle of Resistance commander or Combine overlord in singleplayer, co-op and multiplayer modes, and swaps out the game’s first-person battles for real-time strategy skirmishes.Lambda Wars Official Trailer: The New RevisionWatch on YouTubeReleased over the weekend, version 1.0 brings four new units - Heavy Rebels, Heavy Combines, Cran Synths and Mortar Synths - new buildings and a load of bug fixes and balance changes, which you can check out inthe patch notes.In a post on Reddit, one of the modders mentions that the team have received a few donations for making the mod over the years, but it’s mostly been a “free time” project for them: “We’ve had discussions about finding forms of funding, but ultimately we decided to keep it as a passion project”.“It has been one hell of a journey and hopefully it will bring some joy toHalf-Lifeand RTS players,” they add.If you fancy giving Lambda Wars a try, you can grab it for freeon Steamright now.
Way back in 2007, Alec Meer (RPS in peace)played a promising RTS modforHalf-life 2. “It’s a ton of fun to see the familiar in such a different and well-considered format,” he said. “But it’s very, very early, with a lot of work to go.“And a whole lot of work it was - 13 years of it. But over the weekend,Lambda Warsfinally launched in full, inviting players to explore the world of Half-life 2 from a new perspective (that is: a strategic top-down one).Lambda Wars is a free standalone mod set in the HL2 universe, and based off of the code for Valve’s 2010 top-down shooter,Alien Swarm. It sees players take up the mantle of Resistance commander or Combine overlord in singleplayer, co-op and multiplayer modes, and swaps out the game’s first-person battles for real-time strategy skirmishes.Lambda Wars Official Trailer: The New RevisionWatch on YouTubeReleased over the weekend, version 1.0 brings four new units - Heavy Rebels, Heavy Combines, Cran Synths and Mortar Synths - new buildings and a load of bug fixes and balance changes, which you can check out inthe patch notes.In a post on Reddit, one of the modders mentions that the team have received a few donations for making the mod over the years, but it’s mostly been a “free time” project for them: “We’ve had discussions about finding forms of funding, but ultimately we decided to keep it as a passion project”.“It has been one hell of a journey and hopefully it will bring some joy toHalf-Lifeand RTS players,” they add.If you fancy giving Lambda Wars a try, you can grab it for freeon Steamright now.
Way back in 2007, Alec Meer (RPS in peace)played a promising RTS modforHalf-life 2. “It’s a ton of fun to see the familiar in such a different and well-considered format,” he said. “But it’s very, very early, with a lot of work to go.”
And a whole lot of work it was - 13 years of it. But over the weekend,Lambda Warsfinally launched in full, inviting players to explore the world of Half-life 2 from a new perspective (that is: a strategic top-down one).
Lambda Wars is a free standalone mod set in the HL2 universe, and based off of the code for Valve’s 2010 top-down shooter,Alien Swarm. It sees players take up the mantle of Resistance commander or Combine overlord in singleplayer, co-op and multiplayer modes, and swaps out the game’s first-person battles for real-time strategy skirmishes.
Lambda Wars Official Trailer: The New RevisionWatch on YouTube
Lambda Wars Official Trailer: The New Revision

Released over the weekend, version 1.0 brings four new units - Heavy Rebels, Heavy Combines, Cran Synths and Mortar Synths - new buildings and a load of bug fixes and balance changes, which you can check out inthe patch notes.
In a post on Reddit, one of the modders mentions that the team have received a few donations for making the mod over the years, but it’s mostly been a “free time” project for them: “We’ve had discussions about finding forms of funding, but ultimately we decided to keep it as a passion project”.
“It has been one hell of a journey and hopefully it will bring some joy toHalf-Lifeand RTS players,” they add.
If you fancy giving Lambda Wars a try, you can grab it for freeon Steamright now.