Portal 2 Achievements Full list of all 51 Portal 2 achievements. It takes around 20-25 hours to unlock all of the achievements in the base game on Windows.The base game contains 50 achievements, and there is 1 DLC pack containing 1 achievements.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 DLC Packs Group DLC packs together in list DLC Filter AllOwnedNone Flag Filter All None 27 Offline Mode 2 Online Mode 22 Online/Offline 29 Single Player 24 Cooperative 20 Main Storyline 4 Collectable 3 Cumulative + 1 Cumulative - 1 Viral 2 Time/Date Link flagsOR joinAND join Achievements without these flags What are achievement flags? Click to find outApply Base Base Game (Excludes DLC) 877 50 4.6357,1044,075 (7%)20-25h Wake Up CallSurvive the manual override 1 guideYou MonsterReunite with GLaDOS 1 guideUndiscouragedComplete the first Thermal Discouragement Beam test 1 guideBridge Over Troubling WaterComplete the first Hard Light Bridge test 1 guideSaBOTourMake a break for it 1 guideStalemate AssociatePress the button! 1 guideTater ToteCarry science forward 1 guideVertically UnchallengedMaster the Repulsion Gel 1 guideStranger Than FrictionMaster the Propulsion Gel 1 guideWhite OutComplete the first Conversion Gel test 1 guideTunnel of FunnelMaster the Excursion Funnel 1 guideDual Pit ExperimentDo the same test twice 1 guideThe Part Where He Kills YouThis is that part 1 guideLunacyThat just happened 1 guideDrop BoxPlace a cube on a button without touching the cube 2 guidesOverclockerComplete Test Chamber 10 in 70 seconds 1 guidePit BossShow that pit who's boss 2 guidesPreservation of MassBreak the rules in Test Chamber 07 1 guidePturretdactylUse an Aerial Faith Plate to launch a turret 1 guideFinal TransmissionFind the hidden signal in one of the Rat Man's dens 2 guidesGood ListenerTake GLaDOS' escape advice 2 guidesScanned AloneStand in a defective turret detector 2 guidesNo Hard FeelingsSave a turret from redemption 2 guidesSchrodinger's CatchCatch a blue-painted box before it touches the ground 1 guideShip OverboardDiscover the missing experiment 2 guidesDoor PrizeExamine all the vitrified test chamber doors 1 guidePortrait of a LadyFind a hidden portrait 2 guidesYou Made Your PointRefuse to solve the first test in Chapter 8 2 guidesSmash TVBreak 11 test chamber monitors 2 guidesHigh FiveCelebrate your cooperative calibration success 1 guideTeam BuildingComplete all test chambers in the Team Building co-op course Confidence BuildingComplete all test chambers in the Mass and Velocity co-op course Bridge BuildingComplete all test chambers in the Hard-Light Surfaces co-op course Obstacle BuildingComplete all test chambers in the Excursion Funnels co-op course You Saved ScienceComplete all test chambers in all courses of co-op Iron GripNever lose a cube in Chamber 6 of the Mass and Velocity co-op course Gesticul-8Perform all 8 gestures of your own volition in co-op Can't Touch ThisDance in front of a turret blocked by a hard light bridge in co-op Empty GestureDrop your co-op partner in goo while they are gesturing by removing the bridge under them Party of ThreeFind the hidden companion cube in co-op test chamber Narbacular DropPlace a portal under your co-op partner while they are gesturing Professor PortalAfter completing co-op, complete Calibration Course online with a friend who hasn’t played before 1 guideAir ShowPerform 2 aerial gestures before touching the ground in co-op 1 guidePortal Conservation SocietyComplete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements Four Ring CircusEnter 4 different portals without touching the ground in co-op Triple CrownSolve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each Still AliveComplete Course 4 with neither you nor your co-op partner dying Asking for TroubleTaunt GLaDOS in front of a camera in each of the five co-op courses Rock Portal ScissorsWin 3 co-op games of rock-paper-scissors in a row Friends List With BenefitsWhile playing co-op, hug 3 different people on your friends list Update Steam Summer Camp 30 10 1 4.005,9425,942 (100%)0-1h Talent ShowNever lose a cube in Chamber 6 of the Mobility Gels co-op course 1 guide