Quake II Achievements Here is the full list of all 13 Quake II achievements. It takes around 15-20 hours to unlock all of the achievements on Windows.Filter Achievement View View Image viewList view Sort by Won first then by TrueSteamAchievement desc TrueSteamAchievement asc Achievement name desc Achievement name asc TSA Ratio desc TSA Ratio asc Gamers desc Gamers asc Steam order Date won desc Date won asc Flag Filter All None 13 Offline Mode 13 Single Player 13 Main Storyline Link flagsOR joinAND join Achievements without these flags What are achievement flags? Click to find outApply AllWonNot wonDisc CollectorCall of the Machine: Collect all six Data Discs, and defeat the Strogg Creator 26 August 2023 - Add a guideAnti-GravityGround Zero: Find and eliminate the Strogg's great weapon, the Gravity Well 25 August 2023 - Add a guideShut Down the CoreQuake II 64: Enter an alternate timeline, and destroy the Guardians 21 August 2023 - Add a guideDestroy the Moon BaseThe Reckoning: Infiltrate the Strogg Moon Base, and destroy the fleet 20 August 2023 - Add a guideAssassinate the MakronQuake II: Neutralize Strogg leader's communication system 20 August 2023 - Add a guideDestroy Black Hole GeneratorQuake II: Close main hangar bay door and destroy the Black Hole Generator 20 August 2023 - Add a guideDestroy the Big GunQuake II: Find and destroy the Strogg's planetary defense system, the Big Gun 20 August 2023 - Add a guideDestroy Strogg Main ReactorQuake II: Infiltrate and destroy Strogg main reactor 20 August 2023 - Add a guideShut Down Processing PlantQuake II: Shut down all machines in the Strogg processing plant 20 August 2023 - Add a guideNavigate the MinesQuake II: Navigate the mines to find a service entrance to the factory 19 August 2023 - Add a guideDestroy Security GridQuake II: Enter the security pyramid and destroy the security grid protecting the industrial region 17 August 2023 - Add a guideDestroy Strogg Logistical TrainQuake II: Destroy the Strogg logistical train and restore power to key warehouse components 15 August 2023 - Add a guideEstablish CommunicationsQuake II: Establish a communication link to the command ship 15 August 2023 - Add a guide