Skip to content
Celerium
Call of Duty: Black Ops II

Celerium

Complete the Celerium mission in Call of Duty: Black Ops II with our comprehensive guide. Learn how to achieve all challenges, including eliminating enemies with the Titus weapon and optical camo.

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

Complete the Celerium mission in Call of Duty: Black Ops II with our comprehensive guide. Learn how to achieve all challenges, including eliminating enemies with the Titus weapon and optical camo.

Walkthrough
  1. 1
    Eliminate enemy heli before lift off: During the first firefight, make your way up a hill. At the top, destroy the helicopter before it lifts off. The secondary Titus weapon can make this easier.
  2. 2
    Destroy sentry turret (x2) while disabled: Hit a turret with an EMP grenade, and while it's short-circuited, destroy it. Repeat this twice.
  3. 3
    Eliminate enemy personnel (x4) with one round from Titus weapon: Find opportunities where enemies are grouped together. Use a Titus weapon shot to kill four enemies with a single shot.
  4. 4
    Eliminate enemy personnel (x10) with heli turret: Near the mission start, you'll reach a helipad with a vehicle turret. Use this turret to kill 10 enemies.
  5. 5
    Eliminate enemy personnel (x30) while using optical camo: Find the optical camo device in the underground lab. Activate it and kill enemies. Repeat 29 more times.
  6. 6
    Destroy enemy ASDs (x2) by exploding nitrogen tanks: After exiting the elevator, use the nitrogen tanks to destroy two enemy defense bots (ASDs).
  7. 7
    Eliminate enemy personnel (x10) with the Assault Shield: After the scene with the scientist, equip the Assault Shield and kill 10 enemies using shield bashes.
  8. 8
    Protect ASD resource from destruction: When you reach the vault, access a container in a nearby large room to release a friendly defense bot. Ensure this bot survives the enemy assault that follows the scientist scene.
  9. 9
    Collect intel (x3): Intel can be found in an open door at the back of the helipad.
Tips
  • Use the secondary Titus weapon to easily destroy the enemy helicopter before it takes off.
  • EMP grenades are crucial for disabling sentry turrets before destroying them.
  • Look for opportunities where enemies are clustered to maximize the effectiveness of the Titus weapon's single-round kills.
  • The helipad turret is a powerful tool for quickly racking up enemy kills.
  • Optical camo can be used strategically to get close to enemies for easy kills.
  • Exploit the exploding nitrogen tanks to destroy enemy ASDs efficiently.
  • The Assault Shield is effective for close-quarters combat; use shield bashes to eliminate enemies.
  • Prioritize protecting the friendly ASD resource when it's deployed near the vault.

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