19.10%
Anti-Gravity
Ground Zero: Find and eliminate the Strogg's great weapon, the Gravity Well
21.35%
Destroy the Moon Base
The Reckoning: Infiltrate the Strogg Moon Base, and destroy the fleet
21.35%
Shut Down the Core
Quake II 64: Enter an alternate timeline, and destroy the Guardians
22.47%
Disc Collector
Call of the Machine: Collect all six Data Discs, and defeat the Strogg Creator
43.82%
Destroy Black Hole Generator
Quake II: Close main hangar bay door and destroy the Black Hole Generator
44.94%
Assassinate the Makron
Neutralize Strogg leader's communication system
46.07%
Destroy Strogg Main Reactor
Quake II: Infiltrate and destroy Strogg main reactor
46.07%
Destroy the Big Gun
Quake II: Find and destroy the Strogg's planetary defense system, the Big Gun
49.44%
Shut Down Processing Plant
Shut down all machines in the Strogg processing plant
52.81%
Navigate the Mines
Quake II: Navigate the mines to find a service entrance to the factory
57.30%
Destroy Security Grid
Quake II: Enter the security pyramid and destroy the security grid protecting the industrial region
69.66%
Destroy Strogg Logistical Train
Destroy the Strogg logistical train and restore power to key warehouse components