2.4% rarest achievement
24.18% avg. earn rate
1
Playthroughs
None
Multiplayer
None
DLC
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| Icon | Achievement | Rarity | Score |
|---|---|---|---|
|
Still AlieveComplete Course 4 with neither you nor your co-op partner dying2.40% Ultra Rare |
2.40% Ultra Rare | Steam |
|
Talent ShowNever lose a cube in Chamber 6 of the Mobility Gels co-op course2.60% Ultra Rare |
2.60% Ultra Rare | Steam |
|
Portal Conservation SocietyComplete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements2.80% Ultra Rare |
2.80% Ultra Rare | Steam |
|
Triple CrownSolve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each3.00% Ultra Rare |
3.00% Ultra Rare | Steam |
|
Party of ThreeFind the hidden companion cube in co-op test chamber3.50% Ultra Rare |
3.50% Ultra Rare | Steam |
|
Iron GripNever lose a cube in Chamber 6 of the Mass and Velocity co-op course3.60% Ultra Rare |
3.60% Ultra Rare | Steam |
|
Smash TVBreak 11 test chamber monitors3.70% Ultra Rare |
3.70% Ultra Rare | Steam |
|
OverclockerComplete Test Chamber 10 in 70 seconds4.00% Ultra Rare |
4.00% Ultra Rare | Steam |
|
Friends List With BenefitsWhile playing co-op, hug 3 different people on your friends list4.50% Ultra Rare |
4.50% Ultra Rare | Steam |
|
Empty GestureDrop your co-op partner in goo while they are gesturing by removing the bridge under them4.60% Ultra Rare |
4.60% Ultra Rare | Steam |
|
Final TransmissionFind the hidden signal in one of the Rat Man's dens5.50% Very Rare |
5.50% Very Rare | Steam |
|
Narbacular DropPlace a portal under your co-op partner while they are gesturing5.80% Very Rare |
5.80% Very Rare | Steam |
|
Professor PortalAfter completing co-op, complete Calibration Course online with a friend who hasn’t played before5.90% Very Rare |
5.90% Very Rare | Steam |
|
You Made Your PointRefuse to solve the first test in Chapter 86.60% Very Rare |
6.60% Very Rare | Steam |
|
Four Ring CircusEnter 4 different portals without touching the ground in co-op6.80% Very Rare |
6.80% Very Rare | Steam |
|
Schrodinger's CatchCatch a blue-painted box before it touches the ground6.90% Very Rare |
6.90% Very Rare | Steam |
|
Door PrizeExamine all the vitrified test chamber doors7.20% Very Rare |
7.20% Very Rare | Steam |
|
Pit BossShow that pit who's boss7.90% Very Rare |
7.90% Very Rare | Steam |
|
PturretdactylUse an Aerial Faith Plate to launch a turret8.70% Very Rare |
8.70% Very Rare | Steam |
|
Asking for TroubleTaunt GLaDOS in front of a camera in each of the five co-op courses8.90% Very Rare |
8.90% Very Rare | Steam |
|
Can't Touch ThisDance in front of a turret blocked by a hard light bridge in co-op9.80% Very Rare |
9.80% Very Rare | Steam |
|
Rock Portal ScissorsWin 3 co-op games of rock-paper-scissors in a row9.80% Very Rare |
9.80% Very Rare | Steam |
|
Ship Overboardiscover the missing experiment10.70% Rare |
10.70% Rare | Steam |
|
Portrait of a LadyFind a hidden portrait11.60% Rare |
11.60% Rare | Steam |
|
You Saved ScienceComplete all test chambers in all courses of co-op21.20% Uncommon |
21.20% Uncommon | Steam |
|
Preservation of MassBreak the rules in Test Chamber 0724.40% Uncommon |
24.40% Uncommon | Steam |
|
Obstacle BuildingComplete all test chambers in the Excursion Funnels co-op course26.30% Uncommon |
26.30% Uncommon | Steam |
|
Gesticul-8Perform all 8 gestures of your own volition in co-op27.10% Uncommon |
27.10% Uncommon | Steam |
|
Good ListenerTake GLaDOS' escape advice28.40% Uncommon |
28.40% Uncommon | Steam |
|
Drop BoxDrop your co-op partner in goo while they are gesturing by removing the bridge under them28.90% Uncommon |
28.90% Uncommon | Steam |
|
No Hard FeelingsSave a turret from redemption31.10% Uncommon |
31.10% Uncommon | Steam |
|
Bridge BuildingComplete all test chambers in the Hard-Light Surfaces co-op course32.00% Uncommon |
32.00% Uncommon | Steam |
|
Air ShowPerform 2 aerial gestures before touching the ground in co-op33.30% Uncommon |
33.30% Uncommon | Steam |
|
LunacyThat just happened34.20% Uncommon |
34.20% Uncommon | Steam |
|
The Part Where He Kills YouThis is that part34.40% Uncommon |
34.40% Uncommon | Steam |
|
Scanned AloneStand in a defective turret detector34.70% Uncommon |
34.70% Uncommon | Steam |
|
Tunnel of FunnelMaster the Excursion Funnel35.20% Uncommon |
35.20% Uncommon | Steam |
|
Dual Pit ExperimentDo the same test twice37.00% Uncommon |
37.00% Uncommon | Steam |
|
White OutComplete the first Conversion Gel test38.30% Uncommon |
38.30% Uncommon | Steam |
|
Stranger Than FrictionMaster the Propulsion Gel39.40% Uncommon |
39.40% Uncommon | Steam |
|
Confidence BuildingComplete all test chambers in the Mass and Velocity co-op course40.90% Uncommon |
40.90% Uncommon | Steam |
|
Tater ToteCarry science forward41.00% Uncommon |
41.00% Uncommon | Steam |
|
Vertically UnchallengedMaster the Repulsion Gel42.90% Uncommon |
42.90% Uncommon | Steam |
|
Stalemate AssociatePress the button!45.60% Uncommon |
45.60% Uncommon | Steam |
|
SaBOTourMake a break for it46.60% Uncommon |
46.60% Uncommon | Steam |
|
Team BuildingComplete all test chambers in the Team Building co-op course49.50% Uncommon |
49.50% Uncommon | Steam |
|
Bridge Over Troubling WaterComplete the first Hard-Light Surfaces test53.40% Common |
53.40% Common | Steam |
|
High FiveCelebrate your cooperative calibration success58.60% Common |
58.60% Common | Steam |
|
UndiscouragedComplete the first Thermal Discouragement Beam test62.80% Common |
62.80% Common | Steam |
|
You MonsterReunite with GLaDOS64.80% Common |
64.80% Common | Steam |
|
Wake up CallSurvive the manual override74.20% Common |
74.20% Common | Steam |
