Operation: Black Mesa
Experience the Half-Life™ expansion packs like never before. Operation: Black Mesa features reimaginings of both Half-Life™ Opposing Force and Half-Life™ Blue Shift through two unique campaigns. How will you survive the Black Mesa Incident? It's time to choose.
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Game contextLatest: IGF Team
| ContextThe evidence factors used to assess whether this game belongs on IndieGame.Fan. | Status | Notes Latest Contributor: IGF TeamEdit notes |
|---|---|---|
Updated: Jul 10, 2026Developer scaleThe operating scale of the game's developer. | ||
Updated: Jul 10, 2026Publisher scaleThe operating scale of the game's publisher. | ||
Updated: Jul 10, 2026Publisher statusHow the game's publishing relationship is classified. | ||
Updated: Jul 10, 2026Creative controlWho appears to retain creative control of the game. | The game uses Valve’s Half-Life property; the extent of IP-holder creative control is not established. | |
Updated: Jul 10, 2026Release statusWhether and how the game has been released. |
Media
11 itemsAbout the Game
Operation: Black Mesa is a fan-made reimagining of Gearbox's Half-Life™ Opposing Force and Half-Life™ Blue Shift.
Experience two unique single-player campaigns taking place during the Black Mesa Incident that started off the events of the Half-Life™ universe. Survive a day job gone wrong as security guard Barney Calhoun. Escape the doomed facility after a FUBAR'd mission as Corporal Adrian Shephard of the Hazardous Environment Combat Unit.
Two Campaigns in One
Experience two unique single-player campaigns taking place during the Black Mesa Incident that started off the events of the Half-Life™ universe. Survive a day job gone wrong as security guard Barney Calhoun. Escape the doomed facility after a FUBAR'd mission as Corporal Adrian Shephard of the Hazardous Environment Combat Unit.
Features
- Two single-player campaigns featuring expanded gameplay and new content.
- A plethora of engine enhancements and new graphical effects. The Source engine looks better than ever.
- Fast-paced combat with over 30 unique enemy types - Run. Think. Shoot. Live.
- Over eighteen weapons suited for all play styles. How will you survive Black Mesa?
- Original music. Two games - two soundtracks.
- Expanded narrative elements to connect with established Half-Life™ lore.
- Customize the game to your liking with a mod-friendly set of tools.
