Half-Life 2's mod Peer Review, a reboot of Half-Life Decay, has given a sign of life and is getting closer to a Beta phase. The team is looking for volunteers to speed up development, so reach out and fill out the application form in the ModDb article below!

The deadline for our #BorderWorldsComp2026 event ends tomorrow! If you haven't heard about it yet and are planning to take part in this amazing competition, we recommend you to hop to it quickly! Learn more about it in the following post!

Valve has given an update on the Team Fortress 2 MVM Update. "It's taking a lot longer to sort through the new content and changes than we'd originally anticipated, but we promise we're making progress. Thanks for being patient!"

The Team Vestige, makers of both Half-Life 2 mods DISREPAIR & DISBELIEF, announced their mods are getting a remastered version, a new chapter, and a future Steam release of the collection! Read more about it in the blog below.

Gear up soldier! The team behind Opposing Force remake FUBAR is hosting a cosplay contest to be featured in their key art! You can find more information and all the rules in the link below!

Another Portal fan project having issues getting their build approved for a Steam release is Aperture Dating Simulator. "We haven't heard anything from Steam in over a year despite reaching out consistently [...] we're unsure if Steam is ever going to let us fully release there"

Have you seen this man? If yes, please report it. Credits from our community members elitecombine0114 and echo-zulu!

The Ship: Murder Party was released 20 years ago! A commercial title running on the Source Engine 2006, sequel to its old Half-Life 1 mod The Ship, and developed by Outerlight studio!

We continue to get lots of good Valve fan-made entries created in many different games for our 4fun event #BorderWorldComp2026! If you've made something similar recently, join us too before July 18! Credits; 🎨 tomass 🎨 exceptionerroralex 🎨 bepbepstev 🎨 l337sama

An ex-project lead of PUNT, a Portal inspired-game, has shared a statement regarding the status of the game and anyone involved. "Valve killed Punt in 2023. Missed our agreed release window and then demanded more money. Ghosted when we tried to negotiate."

Thank you for participating TEAM FORTRESS 2 CLASSIFIED LambdaGeneration Gamenight! 🎮 We pleased the Civilian once again, every merc in this gamenight now get a 5-cent raise... (except for you engineer!) Great job everyone, it was very fun! See you in the next one! 😀

The Half-Life 2 mod Antenna has published a fresh media update where do a brief retrospective since last year, sharing some playtesting results and other neat visual & sound upgrades. Please take a look in their ModDB article below to see more.

If you're crazy enough, you can install Windows in your Steam Machine. Valve has uploaded all the necessary drivers in case you make the switch from SteamOS to Windows and warns that they are "unable to offer Windows on Steam Hardware support".

The demo of Half-Life is Strange, featuring Max Caulfield using her powers in the Black Mesa Research Facility, is out on ModDB! The crossover you never expected to see from G-man.

There's now a Soldier statue in Counter-Strike 2 thanks to a recent added 5x5 community-map called Fachwerk by OrelStealth! Rick May, Soldier's VA, has passed on April 5, 2020.

The team over EXCAVATION, a small sci-fi FPS running on GoldSrc, has shared this amazing devblog video going into their Europa setting. You can watch the full 10 min long video in the link below!

Steam is now estimated to have more than 200 million monthly active users, making it over 50% larger than PlayStation. All thanks to GameDiscoverCo founder Simon Carless report.

TEAM FORTRESS 2 CLASSIFIED - LAMBDAGENERATION GAMENIGHT 🎮 This Saturday we're playing @tf2classified.com. Join us on some VIP, 4-teams and MORE! 💥 📆 Sat 11 July 🕖 7PM GMT / 8PM BST / 9PM CEST / 3PM EDT / 2PM CDT / 12PM PDT 📍 Join via gamenight.lambdageneration.com 🎙 discord.lambdageneration.com

The Team Fortress 2 Summer Update 2026 is now live! Featuring 6 new community maps, 4 new taunts, bunch of community made items, unusual effects, war paint and lots of bug fixes!

The Fortress Connected mod that put mercs to fight into other Source games has published a 10 min long dev video showcasing all their work done throughout these past months! From new animations, UI and weapons changes to HL2 NPCs doing crits and map objectives with the player!

One of our community members created this neat interaction with the vending machine from their project 'Sector Origins'. A pre-disaster Half-Life 1 mod where nothing goes wrong and you can safely explore Black Mesa Research Facility! Finally the scientist respected the limits!

INFRA is a beautiful Source game

Sane in Silence, a Half-Life 2 mod set in early 2000s Finland where you have to escape a nightmarish mansion, publishes a sick blogpost! They shared new gameplay mechanics, UI tweaks and map updates.

We've got two Team Fortress 2 Classified news for you! 1. The Authoring Tools is now available on Steam, including links to their documentation, a reference material and more! 2. An artpass comp is happening right now and you've six weeks to create the visuals for a base map layout!

Imagine being one of the first to try out Steam Machine and experience the first "The Red Line of Death" on it... That's the case of Reddit user me_hill. Yesterday, he tried some plug-and-play time (and BIOS tweaks), the Machine worked again! Still better wait for Steam Support!

Enjoying the Steam Summer Sale? Any game got your interest? A reminder that Black Mesa is 80% and they shared few sneak peeks of their next update in their latest blog! Go check other previews below!

The Half-Life 2: All Good Things mod author has shared another dev progress of his Epistle 3 inspired project. With 11 maps already playable, the playtest session will help shape things up shortly, which you may expect a Steam Workshop release towards the end Autumn (Fall) 2026.

Happy 4th of July

A few days ago we shared our real-life Lambda Generator. We've since made the difficult decision to discontinue the production of physical generators. Allowing people to physically own things isn't good, we need digital subscription age-verified generators instead.

And we've got another batch of raw PSD files from Joachim Barrum! The classic Half-Life cover of Blast Pit for GamePro Cover magazine, a Counter-Strike cover for another magazine and a Gunman cover too! Thanks to @Axsilversurf for reaching out again! Link below!

🔊 A reminder to all LambdaGeneration members: Our Border Worlds competition is still underway! Create your favorite Valve characters in non-Valve games and show off your cross-dimensional skills to the community. Here's the OG crew in Tomodachi Life by BobBlackMesa:

We've got the original PSDs files to the Half-Life: Blue Shift cover art! Joachim Barrum, one of the artists behind the two Barney artworks, has shared the download with the community via email! Link below! Credits to the Combine Overwiki.

The Portal 2 mod Abyss publishes a brand new devblog showcasing all their hard work done throughout these past years! They also took this opportunity to "modernize it with many of the new features introduced by Portal 2: Community Edition".

Behold, the first real-life Lambda Generator ⚡️ This little guy is now keeping our lights and servers on, courtesy of LambdaGeneration team member BepBepStev. (We’ve been trying to sell these things since April 1st 2019)

Box3D, an 3D physics engine that s&box uses, is now open-source! They briefly mention Valve's custom physics engine 'Rubikon' used in Half-Life Alyx and says that "Rubikon continues to evolve [...] in a new engine called Ragnarok." that may be used in "future Valve titles".

Guns Of Eschaton is a recently announced game that was envisioned by the late Half-Life 2 and Dishonored art director Viktor Antonov. “We're incredibly honored to be revealing Guns of Eschaton, the final project shaped by the extraordinary vision of Viktor Antonov."

Project Capture mod returns with insane technological breakthroughs! Pushing vanilla Portal 2's engine to its limit with real-time volumetric lighting and dynamic PBR shading. They also added some Act 2 news! Please take a moment to check everything in the blog below!

After 2 years, Half-Life: Post-Human mod comes back with a juicy media update, featuring new enemies variants, maps, vfx and more! They are looking for volunteers who can give an extra hand in many positions, so reach out if you would like to join! More in the article below!

Raising the Bar: Arena, RTBR's deathmatch spin-off, comes with their second media update, showcasing BOTs, maps, weapons and more. They are also planning an Arena tournament with a $200 prize pool! Check the ModDB article below for more info!

The Steam Machine Companion Cube by Dbrand has been taken down from their website and other socials for not having a license with Valve "We built the idea into something real without ever asking Valve if we could. Their legal team reached out and stated that the Cube is Valve intellectual property"

Make way for the first prebuilt gaming PC with SteamOS installed! With Valve updating SteamOS installation image last week, MetaPCs launched Steamroller, a $1,299 prebuilt with a Ryzen 5 9600X and RX 7600 running SteamOS! Via: videocardz

We're running a little 4fun event at LambdaGeneration where you have to share any Valve character you made in other games! Few members have already submitted their entries, join us below! Credits; 🎨 thatmoodyguy 🎨 FleaMan 🎨 JamesTDG 🎨 barrenious5

And that concludes the stream! So far I'm liking the game, although my brain was definitely melting a bit there at the end. I blame the heatwave lol. Congrats also to everyone who got keys! If you didn't get one, the game's 80% off on Steam right now. So grab it while it's cheap!

Congrats to everyone who won a copy of INFRA during our stream tonight. @mitchelsworkshop.com will continue his playthrough on stream again in the near future.

🔴 INFRA Stream + Giveaway 🎁 Tune in to the LambdaGeneration YouTube channel tonight where @mitchelsworkshop.com is playing Source game INFRA for the first time. We're also giving away 10 copies of INFRA during the stream, courtesy of @loisteinteractive.bsky.social Link to the stream below ⬇️

Kane Pixels, 21, Backroom's director, posted another stories of his visit at Valve, including a picture of Chell and Gordon drawing. What did he mean by this?

Someone at Valve focused on fixing some Source1 HackerOne bugs today. One Portal 2 specific of "the player not returning to the main menu when credits finish." which was bugged for years!

As you might have noticed, there won't be our usual gamenight this Saturday, but we'll still do a stream on this little Source gem INFRA! So let's hang out tomorrow at 9PM CEST (3PM EDT / 12PM PDT)! Link for the YouTube stream below!

Kane Pixels, the Backrooms director, visited Valve offices recently. Posted on his Instagram @ kanepixels.

Epic Games CEO Tim says Steam's AI disclosure on games makes it "much harder for a game developers to have a chance of success". "It's really irresponsible of Valve [...] You have to choose from either not using tools that can make you way more productive."