Half-Life: Opposing Force - Full Game Walkthrough

Half-Life: Opposing Force is a sci-fi first-person shooter video game developed by Gearbox Software and Valve, and published by Sierra On-Line and Valve, originally released in November 1999. This expansion pack of the original game lets players take on the role of U.S. Marine Corporal Adrian Shephard, who is sent to the Black Mesa Research Facility to contain the alien invasion. Along the way, Shephard must fight his way through both aliens and the mysterious Hazardous Environment Combat Unit (HECU) while uncovering the true intentions of the military's involvement in the crisis. Ultimately, Shephard discovers a plot to nuke the entire facility, and must make a daring escape before it's too late. ===== Mods Used ===== • MetaAudio (3D Audio and EAX): https://github.com/LAGonauta/MetaAudi... • FOV Fix (Hor+): https://www.pcgamingwiki.com/wiki/Hal... ===== Game Info ===== • Developers: Gearbox Software, Valve Software • Publishers: Sierra On-Line (Retail), Valve Software (Digital) • Initial release date: November 19, 1999 • Platforms: Microsoft Windows, OS X, Linux • Genre: First-person shooter • Engine: GoldSrc (OpenGL and Software Rendering supported, Direct3D 7 support was removed in a 2013 Steam update) ===== Walkthrough Info ===== • Platform: Microsoft Windows • Difficulty: Normal • Recording: Mirillis Action! • Editing: VEGAS Pro 17 ===== Additional Info ===== • Plot: https://en.wikipedia.org/wiki/Half-Li... • Essential improvements: https://www.pcgamingwiki.com/wiki/Hal... ===== Timestamps ===== 00:00:00 - Main Menu 00:00:13 - Chapter 01: Incoming 00:02:52 - Chapter 02: Welcome to Black Mesa 00:20:55 - Chapter 03: "We Are Pulling Out" 00:29:25 - Chapter 04: Missing in Action 00:45:48 - Chapter 05: Friendly Fire 01:01:17 - Chapter 06: We Are Not Alone 01:03:02 - Chapter 07: Crush Depth 01:15:03 - Chapter 08: Vicarious Reality 01:28:07 - Chapter 09: Pit Worm's Nest 01:35:24 - Chapter 10: Foxtrot Uniform 01:58:42 - Chapter 11: "The Package" 02:17:10 - Chapter 12: Worlds Collide 02:32:19 - Credits #halflifeopposingforce #valve #alphayellow #walkthrough #longplay #pc #blackmesa #adrianshephard #fullgameplay #oldgames #classicgames #fpsgames #firstpersonshooter