Portal 2 - 18 of 51 earned
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Team BuildingComplete all test chambers in the Team Building co-op courseJun 3
High FiveCelebrate your cooperative calibration successAug 4
LunacyThat just happenedJul 7
The Part Where He Kills YouThis is that partJul 5
Tunnel of FunnelMaster the Excursion FunnelJul 5
Dual Pit ExperimentDo the same test twiceJul 1
White OutComplete the first Conversion Gel testJul 1
Stranger Than FrictionMaster the Propulsion GelJul 1
Tater ToteCarry science forwardJun 25
Vertically UnchallengedMaster the Repulsion GelJun 24
Stalemate AssociatePress the button!Jun 24
Scanned AloneStand in a defective turret detectorJun 24
SaBOTourMake a break for itJun 24
No Hard FeelingsSave a turret from redemptionJun 24
Bridge Over Troubling WaterComplete the first Hard Light Bridge testJun 23
UndiscouragedComplete the first Thermal Discouragement Beam testJun 23
You MonsterReunite with GLaDOSJun 23
Wake Up CallSurvive the manual overrideJun 23
Drop BoxPlace a cube on a button without touching the cubeLocked
OverclockerComplete Test Chamber 10 in 70 secondsLocked
Pit BossShow that pit who's bossLocked
Preservation of MassBreak the rules in Test Chamber 07Locked
PturretdactylUse an Aerial Faith Plate to launch a turretLocked
Final TransmissionFind the hidden signal in one of the Rat Man's densLocked
Good ListenerTake GLaDOS' escape adviceLocked
Schrodinger's CatchCatch a blue-painted box before it touches the groundLocked
Ship OverboardDiscover the missing experimentLocked
Door PrizeExamine all the vitrified test chamber doorsLocked
Portrait of a LadyFind a hidden portraitLocked
You Made Your PointRefuse to solve the first test in Chapter 8Locked
Smash TVBreak 11 test chamber monitorsLocked
Confidence BuildingComplete all test chambers in the Mass and Velocity co-op courseLocked
Bridge BuildingComplete all test chambers in the Hard-Light Surfaces co-op courseLocked
Obstacle BuildingComplete all test chambers in the Excursion Funnels co-op courseLocked
You Saved ScienceComplete all test chambers in all courses of co-opLocked
Iron GripNever lose a cube in Chamber 6 of the Mass and Velocity co-op courseLocked
Gesticul-8Perform all 8 gestures of your own volition in co-opLocked
Can't Touch ThisDance in front of a turret blocked by a hard light bridge in co-opLocked
Empty GestureDrop your co-op partner in goo while they are gesturing by removing the bridge under themLocked
Party of ThreeFind the hidden companion cube in co-op test chamberLocked
Narbacular DropPlace a portal under your co-op partner while they are gesturingLocked
Professor PortalAfter completing co-op, complete Calibration Course online with a friend who hasn’t played beforeLocked
Air ShowPerform 2 aerial gestures before touching the ground in co-opLocked
Portal Conservation SocietyComplete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placementsLocked
Four Ring CircusEnter 4 different portals without touching the ground in co-opLocked
Triple CrownSolve 3 co-op chambers in the Mass and Velocity course in under 60 seconds eachLocked
Still AliveComplete Course 4 with neither you nor your co-op partner dyingLocked
Asking for TroubleTaunt GLaDOS in front of a camera in each of the five co-op coursesLocked
Rock Portal ScissorsWin 3 co-op games of rock-paper-scissors in a rowLocked
Friends List With BenefitsWhile playing co-op, hug 3 different people on your friends listLocked
Talent ShowNever lose a cube in Chamber 6 of the Mobility Gels co-op courseLockedKiiLime Network
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