Steam app 362890 · updated 12 Sep 2026, 17:56 UTC
Relive Half-Life.
720 hourly samples, with the daily peak drawn over them. Weekends are shaded.
137 months, May 2015 to September 2026. The highest number of people in the game at once, each month, on a time axis -- a gap in the record stays a gap.
The highest number of people in the game at once, each month. Four, because four is as far back as the source keeps anything finer than one figure a month.
31 days, each one the highest figure that day. The source keeps no hourly detail this far back. Weekends are shaded.
31 days as the curve, each the highest figure that day. Behind it, 438 hourly samples from 13 Aug, which is as far back as the source keeps every hour. Weekends are shaded.
12 days as the curve, each the highest figure that day. Behind it, 282 hourly samples. Each dip is a night. Weekends are shaded.
Black Mesa was released on 6 Mar, 2020.
Violence and death due to falls, blunt force, gunshots, and explosions. Over the top dismemberment of NPCs (gibing) that some may see as realistic.
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1.0 Launch Trailer
Watch on Steam
2018 Xen Trailer
Watch on Steam
Steam Release Trailer 2015
Watch on Steam
Black Mesa Trailer 2009 Edited
Watch on Steam50 achievements in total.
50 developer announcements, Apr 2023 to Jun 2026 · times in UTC
Summer, Summer, Science Time!🌞 Time to celebrate good weather, good times, and great deals! Black Mesa is currently 80% off for Summer Sale!Updating...🚧As mentioned previously, we have some new tech in Black Mesa that both our team and HECU…
[BMS] Adam-BombCongrats to HECU Collective! 🎊🎉It’s been 5 years since HECU Collective released the first chapter of their Black Mesa: Blue Shift mod. Watching their project (and team) grow over that time has been genuinely awesome, and the passion they’ve…
CybrFoxBlack Mesa fans — we wouldn’t be here without you. Your feedback and support helped shape both Black Mesa, and made Crowbar Collective what it is today. That same feedback and support we consider critical to taking Rogue Point to the next…
CybrFox🔥 BLACK MESA IS ON SALE — 80% OFF UNTIL FEB 26TH But there's an even better way to save... Crowbar Collection Bundle: Black Mesa x Rogue PointIntroducing the Crowbar Collection Bundle — our highly acclaimed Half-Life remake Black Mesa and…
CybrFox💥 Should you Play Half-Life or Black Mesa?The age old question of what game to start with to get into the franchise, is finally ANSWERED! Check out Adam’s latest video for a deep dive into the differences—graphics, gameplay, and the full…
CybrFox❄ Black Mesa is 75% OFF It's the most wonderful time to save on Black Mesa, during the Steam Winter Sale (Dec 18–Jan 5)! If you’ve been waiting, now’s your chance to grab the fan remake of Half-Life at a great discount. But in case that's…
CybrFoxRIFTWALKERS COLLECTION! Black Mesa is on sale now with 75% OFF, through Dec 11th. To make the deal even sweeter, bundling Black Mesa with Industria saves you an ADDITIONAL 10% OFF! (Bundle available through Dec 4th). It's the perfect combo…
CybrFox1. Black Mesa: Blue Shift – “Caretaking Update” by HECU Collective 👮 Our friends over at HECU Collective have dropped a big “Caretaking Update” for their Black Mesa: Blue Shift mod, and it’s absolutely worth your time if you haven’t checked…
CybrFoxScience and Chaos Bundle – Save Big on Three Mind-Bending Adventures! Looking for your next sci-fi adventure? The Science and Chaos Bundle brings together Black Mesa, Abiotic Factor, and The Entropy Centre at an unbeatable price.All three…
CybrFox🔥 BLACK MESA SUMMER SALE - 90% OFF! 🔥This Black Mesa deal is HOT ! 🔥Black Mesa is available for an incredible 90% OFF now through July 10th at 10AM PT!At just $1.99, there's never been a better time to experience the legendary re-imagining…
CybrFoxHello Scientists! We've deployed a hotfix surrounding issues recently reported to improve your experience around the facility.Changelist:Resolved a rare issue that prevented the game from launching and triggered a 'Failed to load the…
Patch notesHello Scientists! We've deployed a hotfix surrounding issues recently reported to improve your experience around the facility. Changelist:Replaced old bone separation logic for ragdolls with a trace-based solver that resolves occluded or…
Patch notesHello Scientists! We've deployed a hotfix surrounding issues recently reported to improve your experience around the facility. Changelist: Resolved IVP related crashes in the "Office Complex" chapter when resuming from a save file. This fix…
Patch notesShift into Something Blue-tiful😎 👮🏻♂️HECU Collective Update! {STEAM_CLAN_IMAGE}/8672783/f939f57e70cc52a21c3a2b8acb51a16648d201f7.png The HECU Collective is hard at work on new chapters for Black Mesa: Blue Shift. While you wait, their…
CybrFoxBlack Mesa- Resonance Decade: Celebrating 10 Years on Steam 🎉 We continue to celebrate our Steam Anniversary, by sharing our biggest discount on Black Mesa ever, along with a major update! BIGGEST SALE EVER - 90% OFF! To celebrate a decade…
CybrFoxIn celebration of our ten year anniversary on Steam, we’ve pushed our longstanding public beta to mainline. This update includes substantial improvements including: Fixes to startup related crashes Fixes to physics engine related crashes…
HubiBLACK MESA 10TH ANNIVERSARY ON STEAM CELEBRATION! Today marks an incredible milestone - 10 years of Black Mesa on Steam! To celebrate this achievement, we're hosting a month-long celebration filled with special events, streams, and…
CybrFoxHello again, Scientist! You’re just in time! We’ve released a new build to the public-beta branch on Steam, and we couldn’t be more thrilled to share the results of our ongoing research and field observations with you. Since our update last…
[BMS] Adam-Bomb🌼Spring has breached the Black Mesa perimeter... and brought savings! Black Mesa Spring Sale - 50% OFF! The perfect time has arrived to experience (or share) the acclaimed Half-Life remake that started it all. Black Mesa is now 50% OFF…
CybrFoxUNFORESEEN SALE A Sale, Dr. Freeman? Is it really that time again? Black Mesa is now 75% OFF from February 24th through March 3rd https://store.steampowered.com/app/362890/Black_Mesa/ If you've been waiting to hop in on the re-imagined…
CybrFoxThings are off to a quick start at Crowbar Collective in 2025! Here is what we've been up to: Second Wind Podcast/Plays Black Mesa 🎮 Tune in to see our friends at Second Wind play some Black Mesa! Crowbar Collective Lead, Adam Engels, will…
CybrFox❄ The perfect Holiday Gift ❄ Need a last minute holiday gift for a friend, or that special gamer in your life? Black Mesa is here to the rescue! Black Mesa NOW for 75% OFF during the Steam Winter Sale⛄ Get it here…
CybrFoxDon't let this deal FALL by the wayside🍂... The re-imagining of Gordon Freeman’s iconic journey through the chaos of the Black Mesa Research Facility... Now at a fraction of the price! Get Black Mesa NOW for 75% OFF during the Steam Autumn…
CybrFoxAbout that Xen I owe ya.. We're excited to share the news that HECU Collective have released Focal Point, the next chapter in their Black Mesa: Blue Shift mod! Along with a bunch of fixes and feature updates, players will be excited to…
CybrFoxUpdates, Anniversaries, and Sales (Oh My!) Lots of great things coming down the line for Half-Life Fans. Black Mesa Sale and Update Previously we released a Fall '24 Update as a Public Beta. With good feedback and insight from the…
CybrFoxWe are incredibly excited to share with the community what we've been working on... Rogue Point Our new game will be a rogue-lite tactical co-op shooter that offers a strategic approach to high-octane combat. But that's not all... Crowbar…
CybrFoxBarney Calhoun's adventure continues! HECU Collective have shared a new recording from Xen and it contains... the Focal Point chapter release date! No more Xen When™ for this mod too! If you're interested, watch the announcement video now!…
CybrFoxHello everyone, Welcome to Fall, and a Black Mesa beta patch post! We have pushed a build to public-beta that includes a bunch of fixes to some lingering issues, and WAY better Linux/Steam Deck support.…
Patch notesWhat an August! Black Mesa is now on sale for a limited time—it's the perfect chance to dive into Gordon Freeman’s epic journey. Whether you’re a new player or revisiting the chaos of the Black Mesa Research Facility, now’s the time to join…
CybrFoxHappy Summer, fellow scientists! Hope the axial tilt is finding you well. Black Mesa is discounted for the Steam Summer Sale, so tell all your friends! https://store.steampowered.com/app/362890/Black_Mesa/ We also wanted to give a quick…
[BMS] Adam-Bomb{STEAM_CLAN_IMAGE}/8672783/383d4df2419fb7912747b2c19c0ec25cb6b8af7f.png Greetings Scientists! Some exciting updates from our friends over at HECU Collective! If you're not familiar with them, their team has been hard at work developing the…
CybrFoxHello again, scientist! Well this has been excruciating. We apologize for any scares and the inconvenience of having the game get reported as a virus. We have fixed the issue and also put up a number of other patches! Here are the patch…
Patch notesVirus Detection False Positive We’re investigating why some antivirus software and Windows Defender pick up the game or one of the tools as malicious. We’ve had tools flagged by different antivirus programs in the past, but never the .exe…
[BMS] Adam-BombHello, fellow zombie scientist! We’ve just released an update to Black Mesa. Our goal was to improve performance, improve controller support, and fix a number of issues, without breaking your save files.…
[BMS] Adam-BombGREETINGS! We’ve pushed a patch to public beta. In this beta we are looking to confirm that: Nothing that was working before has broken Save files are intact for all players The Interloper A controller crash is fixed Graphics options are…
Patch notesEven headcrabs can be sentimental 💖. We're trying to spread the love, by getting you some Black Mesa action, at a deep discount! Be sure to grab your copy of Black Mesa, NOW 80% OFF!
CybrFoxCan we take just one minute today to share how PUMPED we are about this? What started out as a labor of love, turned into this amazing adventure we are on today. We're extremely proud of what our team has built, and thrilled so many people…
CybrFoxAttention, scientists! It is time for the Steam Winter Sale! Experience the epic Half-Life universe like never before in Black Mesa, featuring modernized graphics and refined gameplay mechanics. As part of the Steam Winter Sale, Black Mesa…
CattoBack to where it all began. Come hang out, let's talk about the design of Half-Life, and take a trip back to 1998! https://www.twitch.tv/crowbar_collective {STEAM_CLAN_IMAGE}/8672783/725aec78e4188676f1f25095edd6dd071c9e651d.png
CattoGreetings, all Black Mesa personnel! We would like to celebrate the 1st Anniversary of Captive Freight with you and talk about Focal Point! HECU Collective has been hard at work on the 5th Chapter: Focal Point and they’ve just released an…
CattoCultAttention, all Scientists! As the temperatures drop, daylight times become shorter, and the Winter Solstice is around the corner, I hope you are ready for the Steam Autumn Sale! Don’t miss this golden opportunity, as Black Mesa will be at a…
CattoCult{STEAM_CLAN_IMAGE}/8672783/46e8cadebcb75af6a44911f17a1c2db9fe75783b.png Happy Halloween, scientists! Steam Scream: The Revenge is here! With it, we have amazing titles currently on sale, and among them is Black Mesa with an 80% discount!…
CattoCult{STEAM_CLAN_IMAGE}/8672783/ba43bae991c0b2cc00b795966d621b9304ee91cf.png Attention, scientists! It is time for another sale! Step back into the world of Black Mesa and relive the legendary Half-Life story! Take advantage of the 80% discount…
CattoCult{STEAM_CLAN_IMAGE}/8672783/ec88ec2a58809b3484663be191739ba9f26e1c8f.png Greetings, Scientists! Don't miss the chance to witness Gordon Freeman's unlimited power with his mighty crowbar in Black Mesa's "Return of the Sale"! 💥 Get it now at…
Natalino{STEAM_CLAN_IMAGE}/8672783/e0ef07e58b081c181bc8facb23584769b18f4d9c.png Attention, scientists! It is time for another Steam Summer Sale! Experience the epic Half-Life universe like never before in Black Mesa, featuring modernized graphics…
CattoCult{STEAM_CLAN_IMAGE}/8672783/d93b7e9a70884cf162f548fac6993fd07cd604b6.png Greetings, Scientists! In the spirit of National Selfie Day, June 21st, we're thrilled to announce the launch of our Community Cosplay Contest! If you’re interested in…
CattoCultGreetings, Scientists! Today we are celebrating Blue Shift’s birthday, HECU Collective has been hard at work with Chapter 5: Focal Point for Black Mesa: Blue Shift! In order to make this day even more colorful, HECU Collective has prepared…
CattoCultGreetings, Scientists! Today is a momentous day for Black Mesa, and it is all thanks to you! We're over the moon to announce that we've reached an incredible milestone with 90,000 Overwhelmingly Positive Reviews on Steam! Your support…
CattoCult{STEAM_CLAN_IMAGE}/8672783/ecb9559a6ab3897915620c3d86ea677dc2f120b7.png Attention, all Black Mesa personnel! This May the 4th, we're inviting you to celebrate with us in a galaxy not so far away! Black Mesa is cutting its price like a…
CattoCult{STEAM_CLAN_IMAGE}/8672783/c815e3cdcd5420a21caee7896fdcda41553620c4.png Attention, all Black Mesa personnel! The voting period for our Impression Contest has come to an end, and the results are in! We are excited to announce the top 3…
CattoCultWhat Steam runs, and with what. Straight from the app configuration.
| Description | Executable | Arguments | Platform | |
|---|---|---|---|---|
| Launch | bms.sh | -game bms +developer 0 -steam -newgameui | linux | |
| Default | bms.exe | -steam -disabledxvk | windows | |
| No Workshop | bms.exe | -steam -disabledxvk +workshop_disable 1 | windows | |
| DXVK | bms.exe | -steam | windows | |
| Direct3D 9 Fallback | bms.exe | -steam -forceuid3d9 -disabledxvk | windows |
The folders Steam Cloud syncs. The root is a token Steam uses for a location on your own machine, not a path this page can know.
| Root | Folder | Files |
|---|---|---|
gameinstall | /bms/save | * |
It runs on public data and somebody's spare time.
https://paypal.me/KintaroPalPay[email protected]0x4d559C765AA8BFe336E36d5b76024926767eD38dTJtctWU9uetJaTBoSybd1RErW7n9duTKVG