Black Mesa: Hazard Course is an add-on for the Source Engine mod Black Mesa, featuring a completely new perspective on Half-Life's Hazard Course. The Black Mesa Hazard Course will feature:

-New HD models & textures
-New dialogue & voice acting
-New maps and detailed environments
-Expanded intro, similar to Half-Life's PS2 version

Since this is a community project, we welcome people to help out in any way, from suggestions to fan-made content. Currently we are looking for people to fill these positions:


Any suggestions (within reasonable bounds, of course) are also welcome from anybody!

Media Policy

Remember that great mod, Black Mesa? Anyone familiar with the Black Mesa mod and its agonizing development cycle may remember long periods of media blackout. Since this is a community project rather than a full-fledged modding team, we are pleased to announce that, unlike the original mod, it will be our policy to strive to be as open as possible with the development process! 

That's right. Expect to see half-finished areas, heavy WiPs and lots of orange and gray "dev" textures!

We do, however, announce this policy with a disclaimer: We hope that all of our followers will try their best to be as mature as possible, and realize that due to the open nature of our development process, the vast majority of media that will be released will NOT be fully representative of the final product.

This can be a good thing! It allows YOU, the followers, to give feedback early, so that we can make easy changes to give YOU what you want!

So criticize away! Just keep it civil!

Is this mod dead?

If you're reading this, then no. There is no point in letting a project die without notice. If we were to die, we'd be sure to let you know, however we have absolutely zero plans on doing so, and the mod is currently going strong.


Black Mesa: Hazard Course requires:
-The free Source SDK Base 2007
-Black Mesa

Thank you. Have a very safe, and productive day.
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Blog RSS Feed Report abuse Latest News: Hazard Course Q&A Livestream

1 comment by JeffMOD on Mar 31st, 2014

For those of you who missed the livestream (most of you, due to ModDB's authorization process not kicking in with the link until after the stream ended) we've posted up a recording of it.

The developers and testers involved had a marvelous time doing the stream, even with the numerous technical difficulties involved, and we're considering possibly doing it again sometime.
Not every single question asked on ModDB was answered, due to timing issues between the stream and getting this recording up, but we've gone back and done our best to answer any questions left unanswered where they were asked.
Thanks to the community and all those involved for their contributions and support!

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Post comment Comments  (70 - 80 of 250)
therupertbob May 30 2013, 4:15pm says:

"I, Gordon Freeman, hereby agree to the following terms... Blah blah blah... In any case of serious injury, dismemberment, toxic poisoning, burns, rashes, lesions, blah blah, etcetera, etcetera. Hereby agree to waive all rights as an employee of the Black Mesa facility. OK, very good..."

+5 votes     reply to comment
freeman2001 Jun 19 2013, 4:08pm replied:

"...and if there are no questions, please step through that door to begin your training." *PS2 39001 freezes* Aw, crap!
No really, that happened to me.

+1 vote     reply to comment
therupertbob Jun 20 2013, 12:04am replied:

Moral of the story: Keep barrels of liquid nitrogen away from game consoles.

+2 votes     reply to comment
TheOneMuffin May 15 2013, 1:52pm says: Online

I applied for the Alpha awhile back, hope I wont be forgotten!

+3 votes     reply to comment
dky.tehkingd.u May 16 2013, 8:45pm replied:

We've had a ton of applicants and we've saved every single message that we've gotten. However, since so many people have asked to be a tester, and so few testing spots are actually available, we don't think it would be fair to ignore all of the new applicants either.

So to make it fair we might consider just completely resetting the queue once we make the announcement that we're ready for a new closed alpha release. Anyone who's following the mod and is serious about testing would be able to re-apply anyway. Anyone who's forgotten about applying wouldn't bother. Seems reasonable, no?

+4 votes     reply to comment
SectorC May 12 2013, 5:07pm says:

Do you guys (The Hazard Course Dev Team) need a map designer, or have you guys taken care of the mapping already?

+2 votes     reply to comment
Crypt May 12 2013, 6:01pm replied:

We're covered with level designers. Thanks for the interest, though.

+2 votes     reply to comment
Guest May 5 2013, 2:21am says:

looking forward how this mod turns out

+4 votes     reply to comment
ysrael214 May 6 2013, 8:57am replied:

1. Put Black Mesa in Source SDK
2. Open Source SDK
3. Open Face Poser
4. Go to Files option
5. Click "Rebuild scenes.image"

5 steps
There you have your scenes.image compatible with every mod you installed.

+6 votes     reply to comment
Crypt Apr 25 2013, 10:55pm replied:

Simply put, right now there should only be one conflicting file, which you can make compatible in just a few seconds.

+3 votes     reply to comment
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