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  1. Half-Life: Opposing Force (part 3) | Black Ops Forces

    Half-Life: Opposing Force (part 3) | Black Ops Forces

    12
  3. Half-Life: Opposing Force (part 6 - FINAL) | Gene Worm

    Half-Life: Opposing Force (part 6 - FINAL) | Gene Worm

    7
  4. Half-Life: Opposing Force (part 4) | Teleportation

    Half-Life: Opposing Force (part 4) | Teleportation

    13
  6. Half-Life: Opposing Force (part 2) | Welcome to Black Mesa

    Half-Life: Opposing Force (part 2) | Welcome to Black Mesa

    8