Current Lambda Wars release version: Beta 2.3.4 (February 2014)

Lambda Wars (formerly called Half-Life 2: Wars) brings the struggle between the human resistance and their Combine overlords to a multiplayer real-time strategy setting.  The Lambda Wars beta only requires Alien Swarm installed to play, but you must own HL2: Episode 2 on your Steam account.  It features 3 multiplayer game modes: Sandbox, Annihilation and Overrun, showcasing the Rebels and Combine playable factions and a full-fledged RTS interface and HUD. There is also a singleplayer tutorial and a handful of singleplayer missions.

The Lambda Wars requires you own Half-Life 2: Episode Two and Alien Swarm to play.  Alien Swarm must be installed.

For questions, comments, suggestions, and support for any of our past or upcoming betas, visit our forums.

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3-D Weeds & Mushrooms ;) ... sp_valley: Combine elite squad ambushed by Rebels Redesigned rebel flag fortification
Blog RSS Feed Report abuse Latest News: Lambda Wars Beta 2.3.4 Released

1 comment by Ennui on Feb 27th, 2014

Hi folks! Lambda Wars is back with another small update. Beta 2.3.4 is intended mainly to fix a couple of major bugs and add some small balancing changes, so there's not much to see here this time around - but it does resolve the major animation issues in 2.3.3.

We're already hard at work on 2.3.5, which will be a more substantial release with some exciting new features, so stay tuned! In the meantime, you can download Beta 2.3.4 from one of our mirrors below and read on for the full changelog. Note that you can download a patch that updates Beta 2.3.3 to 2.3.4, a 7zip archive for the full 2.3.4 files, or an EXE installer for 2.3.4.

Enjoy, and as always please feel free to stop by our community forums to let us know what you think (as well as report bugs and suggest features)!

Lambda Wars 2.3.4 changes
Improvements and Balance:
* Increased Synth toughness against Slash and Bite (minor antlion/zombie/headcrab attacks), now Hunters make more sense in Overrun
* Added Metal attribute (tougher than Synth) for Dog and future superheavy full-metal units
* Added Crush attribute for Antlion Guard attacks, like Slash but dealing full damage to Synth and Metal
* Damage adjustments of Hunter charge and Strider impale attacks to improve gameplay
* Reduced Strider health from 2500 to 2000
* Increased range Combine Headcrab Canister Launcher from 4000 to 6000
* Combine Headcrab Canister Launcher must now be powered when launcher canisters

* UPDATED: hlw_village

* Randomized attack building target of enemies to prevent enemies from attacking the same player all the time on some maps

* Building construction animations not playing correctly
* Auto-construction animation of Combine Power Generator looking laggy/choppy
* Various animations not played when first playing a local game and then joining a multiplayer game
* Late precache of buildings and units occurring after starting a game from the lobby
* Air units (e.g. Manhack, Strider) not moving to their exact waypoints on a route to a goal, causing navigation issues
* Combine Metro Police does not play correct animation when falling (T-pose)

* Updated the tool bar style

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Lambda Wars 2.3.4 FULL 7z

Lambda Wars 2.3.4 FULL 7z

Feb 23, 2014 Full Version 1 comment

Install Instructions: 1. Extract contents into your sourcemods folder (default location: C:\Program Files (x86)\steam\steamapps\sourcemods). 2. Restart...

Lambda Wars 2.3.4 7z PATCH

Lambda Wars 2.3.4 7z PATCH

Feb 23, 2014 Patch 0 comments

Install Instructions: 1. Extract contents into your sourcemods folder (default location: C:\Program Files (x86)\steam\steamapps\sourcemods) and overwrite...

Lambda Wars 2.3.4 FULL EXE

Lambda Wars 2.3.4 FULL EXE

Feb 23, 2014 Full Version 1 comment

Installer for Lambda Wars 2.3.4, a real-time strategy modification for Half-Life 2.

Lambda Wars 2.3.3 7z PATCH

Lambda Wars 2.3.3 7z PATCH

Feb 9, 2014 Patch 1 comment

Install Instructions: 1. Extract contents into your sourcemods folder (default location: C:\Program Files (x86)\steam\steamapps\sourcemods) and overwrite...

Lambda Wars 2.3.3 FULL EXE

Lambda Wars 2.3.3 FULL EXE

Feb 9, 2014 Full Version 9 comments

Installer for Lambda Wars 2.3.3, a real-time strategy modification for Half-Life 2

Lambda Wars 2.3.3 FULL 7z

Lambda Wars 2.3.3 FULL 7z

Feb 9, 2014 Full Version 0 comments

Install Instructions: 1. Extract contents into your sourcemods folder (default location: C:\Program Files (x86)\steam\steamapps\sourcemods). 2. Restart...

Post comment Comments  (0 - 10 of 1,856)
skullzans Apr 16 2014, 4:38pm says:

I love the mod, i have high hopes for its future...

+2 votes     reply to comment
SG1Shadow Apr 14 2014, 2:03pm says:

This game has some problems with SLI where the screen will strobe at times in game. Do you guys have any way of fixing this?

+1 vote     reply to comment
Sander Apr 15 2014, 3:29pm replied:

Do you know if it also happens in Alien Swarm?

+1 vote     reply to comment
MightyKebab Apr 9 2014, 4:05pm says:

Is there going to be a balance that encourages us,AND the AI to try out different, more efficient tactics to win the game? By replicating the AI's thought proccess, I won a 1v1 with the CPU in 7 minutes.

This is how the AI works if it's designated to the rebel faction: (They do the same when they're Combine too.)

>Build Barracks
>Spawn another engineer
>Spawn a scout to go cap the no man's land of the map
>Spawn a squadron of Partisans
>Spawn a few rebels with your already built barracks
>Spam billets all over to increase your already growing army's population
>Rally all your rebels to the nearest control point to the enemy base and launch repetetive zergrushes. If you're defeated, repeat this proccess until their defenses are down.

There you go, don't even need any other additional buildings. I suggest the AI should be tweaked to try out different tactics on each difficulty, some of the least efficient on easy of course. Do the developers have any comment on this common game-winnner tactic though, and are they developing a countermeasure agains't it?

+1 vote     reply to comment
ProgSys Apr 12 2014, 5:12pm replied:

Well writing a good AI is hard and we only have one programmer^^ We plan to improve the AI, but this will take a while.

+1 vote     reply to comment
PHCG Apr 6 2014, 12:34pm says:

Any ETA on the Steam release?

+1 vote     reply to comment
Sander Apr 6 2014, 2:51pm replied:

Somewhere in the summer.

+1 vote     reply to comment
warbrand2 Apr 1 2014, 8:32pm says:

really wish the forums for this where more active.

+1 vote     reply to comment
Sander Mar 30 2014, 4:42pm replied:

Not sure what you installed, but the mod is not available on Desura.

+1 vote     reply to comment
freeman2001 Apr 1 2014, 5:27pm replied:

No, this is what I installed. The mod was still on my account's game list, even though the link isn't available anymore.
EDIT: You just made me realize that I installed version 2.2.0 instead of version 2.3.4 because I did it through the old link on my Desura account...

+1 vote     reply to comment
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Half-Life 2: Episode Two Icon
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Released Sep 25, 2012
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1157 votes submitted.

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Highest Rated (14 agree) 10/10

Very original, very fun, and i see a LOT of great potential for this mod in the long run.

Nov 27 2010, 2:33pm by Heroman117

Real Time Strategy
Single & Multiplayer

Latest tweets from @lambdawars

The Lambda Wars facebook page is pretty sad... care to give us a like?

Feb 6 2014, 9:56pm

Lambda Wars Beta 2.3.2 released! Details and download links here:

Feb 6 2014, 5:41pm

Interested in helping us beta test the development build? Download the build and sign up on our forums at

Jan 23 2014, 4:28pm

LAMBDA WARS: Web: Facebook: @ModDB: Greenlight:

Jan 13 2014, 4:52pm

@klerg_denver <3

Jan 13 2014, 4:50pm

Give us your suggestions! What needs to change to make Lambda Wars better?

Jan 10 2014, 10:46pm

We finally made a Facebook page and we'd love it if you helped us get it off the ground and give us a Like!

Jan 9 2014, 4:21pm

In case you missed it yesterday, Lambda Wars has been successfully Greenlit and we're coming to Steam for FREE!

Jan 8 2014, 11:24am

@rockpapershot alec meer did a couple articles on our mod (then called HL2 Wars) back in 07-08. we made greenlight!

Jan 7 2014, 3:40pm

RT @brostoevsky: WOW my HL2 mod @lambdawars just got Greenlit with over 30,000 yes votes and we'll be available on Steam soon!

Jan 7 2014, 3:39pm

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