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 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 DefiantHit the trashcan cop with the can. Locked - 1 guideGiant KillerSurvive the rooftop strider battle in the ruins of City 17. LockedHallowed GroundEscort Gregori safely through the church cemetery. LockedKeep Off the Sand!Cross the antlion beach in chapter Sandtraps without touching the sand. LockedSingularity CollapseDestroy the Citadel's reactore core. LockedPlaza DefenderSurvive the generator plaza standoff in chapter Anticitizen One. LockedZombie ChopperPlay through Ravenholm using only the Gravity Gun. LockedFight the PowerShut down the supression device by disabling its generators. LockedRadiation Levels DetectedGet through the toxic tunnel under City 17 in Half-Life 2. LockedWarden FreemanSurvive the second turret standoff in Nova Prospekt. LockedWhat cat?Break the mini-teleporter in Kleiner's Lab. LockedAtomizerDisintegrate 15 soldiers by throwing them into a Combine ball field. LockedMalcontentEscape the apartment block raid. LockedLambda LocatorFind all lambda caches in Half-Life 2. LockedBlast from the PastFind the HEV Suit Charger faceplate in Eli's scrapyard. LockedVorticoughDiscover the hidden singing vortigaunt cave in chapter Water Hazard. LockedFollow FreemanGain command of a squad of rebels in the uprising. LockedAnchor's Aweigh!Get the airboat. LockedHeavy WeaponsGet the airboat's mounted gun. LockedTrusty HardwareGet the crowbar. LockedZero-Point EnergyGet the Gravity Gun in Black Mesa East. LockedCounter-SniperKill all of the snipers in City 17. LockedBarnacle BowlingKill five barnacles with one explosive barrel. LockedRevenge!Destroy the Hunter-Chopper. LockedBug HuntUse the Antlions to kill 50 enemies. LockedOSHA ViolationKill 3 enemies using the crane. LockedFlushedKill an enemy with a toilet. LockedWhere Cubbage Fears to TreadDefend Little Odessa from the Gunship attack. LockedTwo PointsUse Dog's ball to make a basket in the scrapyard. LockedTargeted AdvertisingPin a soldier to the billboard in the chapter Highway 17. LockedSubmissivePut the can in the trash. Locked - 1 guideOne Man ArmyDestroy six gunships in Half-Life 2. LockedHack Attack!Kill five enemies with a Manhack. Locked