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Find the barrel sterilization controls and reboot the system.
Quake IV

Find the barrel sterilization controls and reboot the system.

Walkthrough for Quake IV: Find the barrel sterilization controls, reboot the system, and defeat the Light Tank. Includes item locations and enemy strategies.

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Walkthrough for Quake IV: Find the barrel sterilization controls, reboot the system, and defeat the Light Tank. Includes item locations and enemy strategies.

Walkthrough
  1. 1
    Enter the room with the "Sterilization" door.
  2. 2
    Go through the door to an outdoor area with multiple platforms.
  3. 3
    Defeat the Grunt and Strogg Marines.
  4. 4
    Collect two CLIPS on the first platform.
  5. 5
    Take cover behind crates and snipe the two Tactical Transfers on the ledge ahead with the Railgun.
  6. 6
    Descend to the lower platform.
  7. 7
    Defeat two Strogg Marines, a Berserker, and a Tactical Transfer. Use crates for cover.
  8. 8
    Find a LARGE HEALTH PACK and BATTERIES behind the green barrels on the right.
  9. 9
    Descend the ladder to a lower platform and collect two CLIPS and NAILS.
  10. 10
    Climb back up and go through two doors into another area.
  11. 11
    Find a LARGE HEALTH PACK to the left of the entrance.
  12. 12
    Defeat a Gladiator and up to four Machinegun Transfers. The Hyperblaster and Railgun are recommended.
  13. 13
    Climb to the higher platform and find two LARGE HEALTH PACKS.
  14. 14
    Head back inside through the nearby door.
  15. 15
    In the room with many green barrels, collect GRENADES and use the HEALTH STATION.
  16. 16
    Enter the sterilization control room.
  17. 17
    Collect NAILS, two SMALL HEALTH PACKS, a SMALL ARMOR VEST, and a CLIP near the computer console.
  18. 18
    Click the "System Reset" button to reboot the system.
  19. 19
    Exit the room and prepare to fight the LIGHT TANK. Dodge its attacks and use the Hyperblaster or Nailgun (seeker mode). The Rocket Launcher is also viable.
  20. 20
    After defeating the Light Tank, backtrack to the other outdoor area.
  21. 21
    Defeat three Tactical Transfers and potentially two Strogg Marines. Use the Railgun, Nailgun, or Hyperblaster.
  22. 22
    Backtrack inside, past the barrel processing control room, and towards Sasaki.
  23. 23
    Defeat a Berserker and two Strogg Marines on the way.
  24. 24
    Find a LARGE ARMOR VEST through a newly unlocked door.
  25. 25
    Return to Sasaki.
Tips
  • The Light Tank has powerful weaponry and armor. Its blaster shots are weak, but its fireball attack causes massive damage and is slow-moving.
  • The Light Tank may charge like a Berserker with a morning star attack, or use a short-range flamethrower. Circle around it to avoid the flamethrower.
  • Recommended weapons for the Light Tank include the Hyperblaster or Nailgun. The Rocket Launcher can be used, but switch weapons if it charges.

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