Skip to content
Part 3
Half-Life: Opposing Force

Part 3

Master Half-Life: Opposing Force Part 3 with our comprehensive walkthrough. Learn essential moves like jump-crouching, crouch-running, and sneak-shooting to overcome challenges.

By ···10 min read·Multi-source verified
1 reading this guide  

Master Half-Life: Opposing Force Part 3 with our comprehensive walkthrough. Learn essential moves like jump-crouching, crouch-running, and sneak-shooting to overcome challenges.

This guide section covers essential movement techniques and early gameplay in Half-Life: Opposing Force, including the Hazard Course, Black Mesa Inbound, and Anomalous Materials chapters.

Key Concepts:

  1. Jump-crouching (Duck Jumping): Essential for navigating obstacles. Combine jumping and crouching.
  2. Crouch-running: Moving while holding the 'Duck' key, but not the 'Walk' key. Faster than true crouch-walking.
  3. True Crouch-walking: Moving very slowly using both 'Duck' and 'Walk' keys simultaneously. Useful for stealth but often not necessary.
  4. Sneak-shooting: Attacking unaware enemies by targeting small, exposed body parts. Allows you to shoot without alerting them, especially effective with the Hornet Gun around corners or through obstacles.
  5. Lift Glitch: A rare bug where you might get frozen on a moving lift. To avoid it, avoid crouching on lifts while they are moving. Jumping just before the lift stops may help.
Walkthrough
  1. 1
    Hazard Course (SRC: Training Room): Recommended for new players to learn jump-crouching and crouch-jumping.
  2. 2
    Black Mesa Inbound (Sections c0a0 - c0a0d): RIDING TO WORK
    • This is the initial tram ride. No actions are required, but you can observe the scenery.
  3. 3
    You'll see a security guard, and later, the G-Man (nicknamed "Briefcase Bastard") in an adjacent tram car.
  4. 4
    Black Mesa Inbound (Section c0a0e): BEING LET IN
    • After the tram stops, follow the security guard.
  5. 5
    Exit the tram and follow him to a reinforced door, then to another door. Wait for the "Anomalous Materials" chapter to begin.
  6. 6
    Anomalous Materials (Section c1a0): STARTING FUN
    • Go through the door and approach the security desk.
  7. 7
    After the guard finishes speaking, use the 'Use item' key on the desk to press a hidden button and briefly sound an alarm.
  8. 8
    You can interact with the communications console for humorous effects.
  9. 9
    Proceed down the corridor with colored stripes on the walls.
  10. 10
    You can explore a computer room to the left and follow the brown stripe past rooms to a guarded door.
  11. 11
    You can attempt to listen to the G-Man's conversation or turn off lights in another room.
  12. 12
    Return to the corridor junction and go down the small ramp to section c1a0d.
  13. 13
    Anomalous Materials (Section c1a0d): GET YOUR HEV ON
    • Turn right past the ramp and follow the green stripe to the break room.
  14. 14
    Face the microwave oven and repeatedly press the 'Use item' key to make the casserole inside explode. This may trigger a comment from an NPC.

Notes:

  • The source text mentions that dead bodies are invincible in this game, contrary to a detail in Half-Life 2.
  • The lift glitch is mentioned as a potential issue, though the source also notes it never happens.

100% Human-Written. AI Fact-Checked. Community Verified. Learn how AntMag verifies content