🏆 Portal 2 Platinum Trophy
Collected all other Portal 2 trophies
🥇 Lunacy
That just happened
🥇 You Saved Science
Complete all test chambers in all courses of co-op
🥇 Professor Portal
After completing co-op, complete Calibration Course online with a friend who hasn’t played before
🥈 Drop Box
Place a cube on a button without touching the cube
🥈 Overclocker
Complete Test Chamber 10 in 70 seconds
🥈 Narbacular Drop
Place a portal under your co-op partner while they are gesturing
🥈 Rock Portal Scissors
Win 3 co-op games of rock-paper-scissors in a row
🥈 Friends List With Benefits
While playing co-op, hug 3 different people on your friends list
🥉 Wake Up Call
Survive the manual override
🥉 You Monster
Reunite with GLaDOS
🥉 Undiscouraged
Complete the first Thermal Discouragement Beam test
🥉 Bridge Over Troubling Water
Complete the first Hard-Light Surfaces test
🥉 SaBOTour
Make a break for it
🥉 Stalemate Associate
Press the button!
🥉 Tater Tote
Carry science forward
🥉 Vertically Unchallenged
Master the Repulsion Gel
🥉 Stranger Than Friction
Master the Propulsion Gel
🥉 White Out
Complete the first Conversion Gel test
🥉 Tunnel of Funnel
Master the Excursion Funnel
🥉 Dual Pit Experiment
Do the same test twice
🥉 The Part Where He Kills You
This is that part
🥉 Pit Boss
Show that pit who's boss
🥉 Preservation of Mass
Break the rules in Test Chamber 07
🥉 Pturretdactyl
Use an Aerial Faith Plate to launch a turret
🥉 Final Transmission
Find the hidden signal in one of the Rat Man's dens
🥉 Good Listener
Take GLaDOS' escape advice
🥉 Scanned Alone
Stand in a defective turret detector
🥉 No Hard Feelings
Save a turret from redemption
🥉 Schrodinger's Catch
Catch a blue-painted box before it touches the ground
🥉 Ship Overboard
Discover the missing experiment
🥉 Door Prize
Examine all the vitrified test chamber doors
🥉 Portrait of a Lady
Find a hidden portrait
🥉 You Made Your Point
Refuse to solve the first test in Chapter 8
🥉 Smash TV
Break 11 test chamber monitors
🥉 High Five
Celebrate your cooperative calibration success
🥉 Team Building
Complete all test chambers in the Team Building co-op course
🥉 Confidence Building
Complete all test chambers in the Mass and Velocity co-op course
🥉 Bridge Building
Complete all test chambers in the Hard-Light Surfaces co-op course
🥉 Obstacle Building
Complete all test chambers in the Excursion Funnels co-op course
🥉 Iron Grip
Never lose a cube in Chamber 6 of the Mass and Velocity co-op course
🥉 Gesticul-8
Perform all 8 gestures of your own volition in co-op
🥉 Can't Touch This
Dance in front of a turret blocked by a hard light bridge in co-op
🥉 Empty Gesture
Drop your co-op partner in goo while they are gesturing by removing the bridge under them
🥉 Party of Three
Find the hidden companion cube in co-op test chamber
🥉 Air Show
Perform 2 aerial gestures before touching the ground in co-op
🥉 Portal Conservation Society
Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements
🥉 Four Ring Circus
Enter 4 different portals without touching the ground in co-op
🥉 Triple Crown
Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each
🥉 Still Alive
Complete Course 4 with neither you nor your co-op partner dying
🥉 Asking for Trouble
Taunt GLaDOS in front of a camera in each of the five co-op courses