Black Mesa

Black Mesa

2,212 ratings
Hazard Course
File Size
1.077 GB
Dec 21, 2020 @ 7:12pm
Dec 29, 2020 @ 12:12pm
2 Change Notes ( view )

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Hazard Course

Hazard Course
Hazard Course features a complete re-creation of Half-Life's training level, including new dialogue and voice acting, HD models, textures, and detailed environments.

Developed by PSR Digital, Hazard Course is an add-on for Black Mesa centered around a completely new take on Half-Life's training level, "Hazard Course", featuring 6 maps, a wealth of new models and textures, an expanded introduction and outro sequence (based on the sequence exclusive to the PS2 version of Half-Life), and tons of new dialogue from the entire Black Mesa voice cast.

This workshop item also includes the Five Nights at the Hazard Course bonus add-on. Originally built for our 2015 April Fools' joke, Five Nights at the Hazard Course is an unofficial minigame set in the Black Mesa Hazard Course, based on the horror game series by Scott Cawthon.

To install this add-on, click the "Subscribe" button above. Steam will automatically download and install the content. You do not need to extract any files or launch any batch scripts.

Note: This map pack currently does not work correctly using the old game UI. If you are using the old game UI, please switch to the new game UI before running the map pack for the optimal experience.

To play this map pack from the beginning, press the "Steam Workshop" button in the main menu, select "Hazard Course", and start Chapter 1.

If you would like to skip the introductory scene, press the "Steam Workshop" button in the main menu, select "Hazard Course", and start Chapter 2.

To play the Five Nights at the Hazard Course bonus minigame, press the "Steam Workshop" button in the main menu, select "Hazard Course", and start Chapter 3.

For more information about Five Nights at the Hazard Course, including how to play and what the controls are, see this FAQ thread.


Core Developers
  • Chris Bryant -- 2D Art, 3D Art, Animation, Choreography, Level Design
  • Ryan "dky.tehkingd.u" Lam -- Level Design, Programming
  • Notewell Lyons -- 2D Art, 3D Art, Choreography, Level Design, Writing
  • Lars Runo -- 2D Art, 3D Art
  • Michael Tannock -- 2D Art, 3D Art, Animation

Voice Cast
  • Lurana Hillard -- Observer, Scientist
  • Michael "CornetTheory" Hillard -- Dr. Simowitz, Dr. Kleiner, Scientists
  • Josh "Colorfinger" Jones -- Dr. Bickford
  • Andy "Urby" Morris -- Firing Range Security Guard, Observing Scientist
  • Kevin "debeerguy007" Sisk -- Security Guards, Tom, Observer
  • Victoria "CatzEyes93" Teunissen -- Dr. Gina Cross, Tram Announcer, VOX System
  • Michael "Mikee" Tsarouhas -- Firearms Instructor, Bill, Emergency Response Team
  • Stephen Wimmer -- Dr. Wimmer

Other Contributors
  • Aarón "Juwupiter" F. Bianchi -- Music
  • Phillip "Mr. GameCrazy" Frasquieri -- English Closed Captions
  • João "6DUST" Maia -- Music

Past Contributors
  • Craig Spivack -- Writing

Testing Team
  • Phillip "Mr. GameCrazy" Frasquieri
  • Erik ".RK" Loyd
  • Davy "Dragunov2" Maekelberg
  • Shawn "Deathmonkey7" Morris AKA King of the Universe
  • Max "SprocketRocket" Smidowicz
  • Stephen Wimmer

Known Bugs
  • When running in the old game UI, custom localized text strings are not displayed properly due to the way the engine mounts content.
  • Sounds in the Fire Room (including explosion sounds and some voice lines) sometimes don't play.
  • Observer scientist PA voice lines can be unexpectedly loud when speaking responses to player actions.
  • In the transition room directly after the suit silo, there's a slightly misaligned red pipe model on the ceiling.
  • The player can get stuck in the second and third red valve wheels in the Fire Room if they are standing too close to them when they are reattached.
  • There is a possibility that the in-game speedrun timer may severely under-count your actual run time. If you are a speedrunner, we recommend that you use your own timer rather than the in-game timer until this is addressed. (Note that the in-game run timer starts counting when the elevator door opens at the beginning of hc_t0a1.)
Popular Discussions View All (20)
Jun 22, 2023 @ 8:06am
PINNED: Bug reports
Aug 14, 2023 @ 10:14am
Four Easter Eggs?
Sep 4, 2022 @ 1:01am
when i enter the ladder room it kills me
Decepticon Shockwave
< >
ArcTheWolf Dec 30, 2023 @ 9:09pm 
Make sure you're launching into the default menu UI. A lot of map mods have issues if you are trying to run on the legacy menu UI.
Dr. Coomer Dec 30, 2023 @ 7:15pm 
it wont work for me now and idk how to fix it, I have not played Black Mesa in around a year other than today, so maybe that has something to do with it?
lobomty Dec 29, 2023 @ 8:14am 
SeeBass2020 (A.O.R.B.) Dec 16, 2023 @ 9:42am 
please make black mesa: hazardous course
Powelleythrage Dec 14, 2023 @ 3:34am 
An excellent remake of the Hazard Course training level! I wish Crowbar Collective that they would implement this level, thanks to it we trained and learned how to play just like in Half-Life, and when we completed the game a long time ago and after a while we decide to replay it, starting again with training in order to remember and hone our skills:bms:
ArcTheWolf Nov 28, 2023 @ 10:47pm 
This is a fantastic mod. It always disappointed me that so much effort went into a remake effort with Black Mesa but they didn't bother with one of the most important parts of the original Half-Life. What you've done here though recreates everything that was special about the Hazard Course and changes it up in such a way that it feels like an actual proper part of Black Mesa. The fact that you've made it play as it's own story to go along with a sort of Black Mesa facility orientation is great. I also loved that you actually had more than just a turret try to stop you if you go on a rampage at the security door. The waves of shotgun wielding security guards definitely took me by surprise, the radio callouts were a very nice touch too that really gave that whole situation an authentic feeling security response to a rogue physicist.
Kure 'Tesum Oct 27, 2023 @ 3:48pm 
Can somebody make an Addon where the Gina Cross is replaced with the Blue Shift Model? Because it would make more sense and fits with the artstyle better than using the PS2 Model
ЭндрюГОр Oct 25, 2023 @ 9:01am 
need remastered or rebuilding maps with npc npc from bm blue shift with new scenes
Hey someone create russian subs and voice
Yung Venuz Oct 14, 2023 @ 6:01pm 
Absolutely awesome reimagining of the Hazard Course. The amount of love and dedication put into this makes Valve's original Hazard Course look rushed and shoehorned in. The new intro and ending fit seamlessly into the rest of Black Mesa and the hidden fight towards the end was badass, I was also thoroughly impressed to see it fully voice acted and well scripted.
MRXbox787 Aug 28, 2023 @ 3:55pm