Relive Half-Life in this highly acclaimed, fan-made recreation
Recent Reviews:
Very Positive (209) - 85% of the 209 user reviews in the last 30 days are positive.
All Reviews:
Very Positive (10,903) - 93% of the 10,903 user reviews for this game are positive.
Release Date:
May 5, 2015
Developer:
Publisher:

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Early Access Game

Get instant access and start playing; get involved with this game as it develops.

Note: This Early Access game is not complete and may or may not change further. If you are not excited to play this game in its current state, then you should wait to see if the game progresses further in development. Learn more

What the developers have to say:

Why Early Access?

“Making a game with the scope and scale of Black Mesa is a massive undertaking. Back in 2012 we made the decision to release what we had completed up to that point, and were blown away by the community’s response, feedback, and improvements to our work. We want to keep that relationship alive and well by using Early Access as a tool for allowing our community to participate in the final phase of Black Mesa’s development.

In addition, our ambitions go beyond the original Xen chapters found in Half-Life. We have a standard of quality that we have to achieve. Early Access allows us to commit resources to bring you the remaining chapters with the quality that you expect.”

Approximately how long will this game be in Early Access?

“We currently have the first ~85% of our single player campaign completed (8-12 hours). For the last 15% we want to not only recreate it, but improve upon it to make it an enjoyable and memorable experience.

We plan to have the game out of Early Access in 2018.”

How is the full version planned to differ from the Early Access version?

“The conclusion of the single player campaign, with the addition of the Xen chapters
Final polish on the Earth-based chapters of the single player campaign”

What is the current state of the Early Access version?

“Over 8-12 hours of single player campaign. Multiplayer deathmatch and team deathmatch with 8 completely re-imagined Half-Life 1 maps on the Source Engine.”

Will the game be priced differently during and after Early Access?

“Black Mesa will be $19.99 USD during the Early Access phase. This price will not change after we move out of Early Access.”

How are you planning on involving the Community in your development process?

“We intend to work closely with our community as we complete the final portions of Black Mesa. We started out as a modding team aiming to do true justice to a Half-Life: Source port, and we won’t forget our roots.

The Black Mesa game hub and forums will be the primary points of interaction with our users. Many team members regularly browse these areas to discuss ideas with the community, and to show progress on game development. Community feedback will be sorted into groups and taken into account as we develop.

We also support Steam Workshop, and will be watching and encouraging developments there.”
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Recent updates View all (29)

April 30

Fixes and Multiplayer Servers



Hey all,

A quick mini update for everyone.

Fixes
We have deployed a number of fixes for the latest version of the game.

We fixed:
  • The tentacles in Blast Pit not responding to explosives
  • Problems with CSM on lower settings and improved CSM performance
  • Humvee using experimental texture that caused FPS drops
  • Invalidated old saves as we forgot to set that with the first deployment. Sorry if that inconvenienced anyone.
We are currently troubleshooting
  • Flashlight not working on some machines with dedicated video cards
  • Game not launching on some machines
  • Black screen on Linux when launching

Multiplayer
We also found a nasty bug on our Linux servers. We are working on getting that sorted as soon as possible. For the time being our MP servers are down. Once we have them up, we will plan a play date so we can REALLY test the servers and blow off some steam with everyone!

Thank you to everyone who reported bugs and helped the community fix problems.
160 comments Read more

April 29

Xen Engine Hotfix and Public Release



Xen Engine Public Release
We have patched the latest version of the Xen Engine and released it to everyone. Please let us know on the Steam forums if you run into any game breaking issues. As we have mentioned before, this is important to test our new features so that the Xen release can be as flawless as possible. We will probably do one more “Engine” release just before we drop Xen, in order to make sure that everything is running smoothly on everyone's machines. We want the Xen release to be as close to a simple content release as possible! Here is what is in the latest patch:

April Patch List
Fixed screen freezes / crashes on Radeon RX 3XX 4XX 5xx cards!

Fixed most dynamic shadows flickering and improved the overall quality and performance

Fixed most dynamic lights flickering on lower quality levels Nvidia GPUs (and some AMD GPUs)

CSM quality and perf improvements

Fixed CSM not working on some AMD cards

Fixed decals flickering in some maps

Fixed full screen blur when using dynamic light godrays

Fixed zombie headshots with the crossbow. Now when you headshot a zombie using the crossbow, they will no longer spawn a live headcrab.

Fixed assault points for Houndeyes

Added texture scrolling for dynamic light cookie textures

Fixed tilemap animation bug in light cookie textures.

Fixed rim lighting not working with old light entities

Fixed Phong/skin shader specular not working on static props

Flashlight intensity and range increased

Settings optimization for new deferred lighting and shadows

December Patch Notes

Known Issues
Flashlight Doesn’t Have Shadows
We have a more advanced plan for the flashlight in the works. This will be deployed at a later date.

Haloing Around Props/Object
MSAA is causing outlines around certain objects. MSSA is a performance killer and we hope to have a better solution for anti-aliasing with the Xen release. To remove the haloing/outline, simply turn off MSAA.

Dynamic Shadows Flickering On Moving Dynamic Lights
These should be completely fixed, but if you DO get them try:
Try running the game in windowed borderless mode.
Try turning off Vsync, lowering your overall settings, or turning off dynamic shadows entirely.

Stencil Shadows
We have removed the old Source stencil shadows. This helps performance and fixes the double shadows that happen in outside environments where CSM is used. We plan on using new dynamic lights to get more realistic shadows in key interior sections.

Always Run
Always run has an issue where after every map load you have to press “shift” for it to work. We will be fixing this for Xen.

Outlines Around Weapons
If you move the screen fast in areas using dynamic lights, you may see small outlines around your weapon. This is very minimal and is something we will look into fixing.
272 comments Read more
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Reviews

“This is Half-Life updated just enough to make it palatable for contemporary tastes, but not so much as to deviate from the original vision.”
YES – Kotaku

“Black Mesa Source winds up being exactly what it always promised to be – a modernised, faithful recreation of a deservedly landmark first-person shooter.”
Rock Paper Shotgun

“It's a brilliant tribute to one of the greatest videogames ever made, and it's also a good game in its own right.”
8/10 – Destructoid

About This Game

Relive Half-Life in this highly acclaimed, fan-made recreation.

Main Info
Black Mesa is the award winning fan-made re-imagining of Gordon Freeman's landmark journey through the Black Mesa Research Facility. Relive Half-Life, Valve Software's revolutionary debut, and experience the game that raised the bar for the entire game industry all over again!

Key Features
Nostalgia has never felt so fresh - Expect tremendously detailed environments, old-school tough-as-nails combat, and a gripping story with memorable characters. The all-new soundtrack, voice acting, choreography and dialogue create a more expansive and immersive experience than ever before!

Heavily updated single player experience - The over 10 hour single player experience has greatly improved from the mod release; new visuals, new voice over, updated gameplay encounters, stability changes and more. Xen is not part of the Early Access release, but will be included as a free update when it is ready.

Black Mesa Multiplayer - Fight with or against your friends, in two game modes across 10 iconic maps from the Half-Life universe including Bounce, Gasworks, Stalkyard, Undertow and Crossfire!

Custom Modding Tools & Workshop - Use the same tools as the developers! Create your own mods, modes and maps for Black Mesa and Black Mesa Multiplayer and then share your work, and subscribe to others, on the Steam Workshop!

Complete Steam Integration - Collect the full set of trading cards, backgrounds, emoticons, and achievements! Steam Cloud, Steam Workshop and partial controller support!

Run. Think. Shoot. Source..

System Requirements

Windows
SteamOS + Linux
    Minimum:
    • OS: Windows® 7 (32/64-bit)/Vista or Greater
    • Processor: 2.4 Dual Core Processor or Greater
    • Memory: 4 GB RAM
    • Graphics: 1 GB Dedicated Video Card or Greater
    • DirectX: Version 9.0c
    • Network: Broadband Internet connection
    • Storage: 15 GB available space
    Recommended:
    • OS: Windows® 7 (32/64-bit) or Greater
    • Processor: 3.0 Quad Core Processor or Greater
    • Memory: 6 GB RAM
    • Graphics: 2.5 GB Dedicated Video Card or Greater
    • DirectX: Version 9.0c
    • Network: Broadband Internet connection
    • Storage: 15 GB available space
    Minimum:
    • OS: Ubuntu 14.0 or Greater
    • Processor: 2.4 Dual Core Processor or Greater
    • Memory: 4 GB RAM
    • Graphics: 1 GB Dedicated Video Card or Greater
    • Network: Broadband Internet connection
    • Storage: 15 GB available space
    • Additional Notes: Does not support the Nouveau display driver
    Recommended:
    • OS: Ubuntu 14.0 or Greater
    • Processor: 3.0 Quad Core Processor or Greater
    • Memory: 6 GB RAM
    • Graphics: 2.5 GB Dedicated Video Card or Greater
    • Network: Broadband Internet connection
    • Storage: 15 GB available space
    • Additional Notes: Does not support the Nouveau display driver
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