Quake II: Neutralize Strogg leader's communication system.
Quake II: Close main hangar bay door and destroy the Black Hole Generator.
Quake II: Find and destroy the Strogg's planetary defense system, the Big Gun.
Quake II: Infiltrate and destroy Strogg main reactor.
Quake II: Shut down all machines in the Strogg processing plant.
Quake II: Navigate the mines to find a service entrance to the factory.
Quake II: Enter the security pyramid and destroy the security grid protecting the industrial region.
Quake II: Destroy the Strogg logistical train and restore power to key warehouse components.
Quake II: Establish a communication link to the command ship.
No Strogg will stand in my way of complete domination.
Call of the Machine: Collect all six Data Discs, and defeat the Strogg Creator.
The Reckoning: Infiltrate the Strogg Moon Base, and destroy the fleet.
Ground Zero: Find and eliminate the Strogg's great weapon, the Gravity Well.
Quake II 64: Enter an alternate timeline, and destroy the Guardians.
