Half-Life 2: Update Achievements Here is the full list of all 33 Half-Life 2: Update achievements. It takes around 8-10 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 33 Offline Mode 33 Single Player 15 Main Storyline 2 Collectable 1 Missable 3 Cumulative + Link flagsOR joinAND join Achievements without these flags What are achievement flags? Click to find outApply AllWonNot wonWhat cat?Break the mini-teleporter in Kleiner's Lab. 18 June 2022 - Add a guideSingularity CollapseDestroy the Citadel's reactore core. 10 April 2022 - Add a guideAtomizerDisintegrate 15 soldiers by throwing them into a Combine ball field. 10 April 2022 - Add a guideGiant KillerSurvive the rooftop strider battle in the ruins of City 17. 10 April 2022 - Add a guideFight the PowerShut down the supression device by disabling its generators. 10 April 2022 - Add a guideCounter-SniperKill all of the snipers in City 17. 10 April 2022 - Add a guidePlaza DefenderSurvive the generator plaza standoff in chapter Anticitizen One. 09 April 2022 - Add a guideRadiation Levels DetectedGet through the toxic tunnel under City 17 in Half-Life 2. 09 April 2022 - Add a guideFollow FreemanGain command of a squad of rebels in the uprising. 09 April 2022 - Add a guideWarden FreemanSurvive the second turret standoff in Nova Prospekt. 09 April 2022 - Add a guideBug HuntUse the Antlions to kill 50 enemies. 08 April 2022 - Add a guideFlushedKill an enemy with a toilet. 08 April 2022 - Add a guideHallowed GroundEscort Gregori safely through the church cemetery. 05 April 2022 - Add a guideBlast from the PastFind the HEV Suit Charger faceplate in Eli's scrapyard. 05 April 2022 - Add a guideZero-Point EnergyGet the Gravity Gun in Black Mesa East. 05 April 2022 - Add a guideVorticoughDiscover the hidden singing vortigaunt cave in chapter Water Hazard. 05 April 2022 - Add a guideRevenge!Destroy the Hunter-Chopper. 05 April 2022 - Add a guideHeavy WeaponsGet the airboat's mounted gun. 05 April 2022 - Add a guideAnchor's Aweigh!Get the airboat. 04 April 2022 - Add a guideTrusty HardwareGet the crowbar. 04 April 2022 - Add a guideMalcontentEscape the apartment block raid. 04 April 2022 - Add a guideDefiantHit the trashcan cop with the can. 04 April 2022 - 1 guideKeep Off the Sand!Cross the antlion beach in chapter Sandtraps without touching the sand. Locked - Add a guideZombie ChopperPlay through Ravenholm using only the Gravity Gun. Locked - Add a guideLambda LocatorFind all lambda caches in Half-Life 2. Locked - Add a guideBarnacle BowlingKill five barnacles with one explosive barrel. Locked - Add a guideOSHA ViolationKill 3 enemies using the crane. Locked - Add a guideWhere Cubbage Fears to TreadDefend Little Odessa from the Gunship attack. Locked - Add a guideTwo PointsUse Dog's ball to make a basket in the scrapyard. Locked - Add a guideTargeted AdvertisingPin a soldier to the billboard in the chapter Highway 17. Locked - Add a guideSubmissivePut the can in the trash. Locked - 1 guideOne Man ArmyDestroy six gunships in Half-Life 2. Locked - Add a guideHack Attack!Kill five enemies with a Manhack. Locked - Add a guide