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Air Show Perform 2 aerial gestures before touching the ground in co-op |
20 |
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Professor Portal After completing co-op, complete Calibration Course online with a friend who hasn’t played before |
75 |
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Narbacular Drop Place a portal under your co-op partner while they are gesturing |
25 |
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Party of Three Find the hidden companion cube in co-op test chamber |
25 |
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Empty Gesture Drop your co-op partner in goo while they are gesturing by removing the bridge under them |
25 |
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Can't Touch This Dance in front of a turret blocked by a hard light bridge in co-op |
10 |
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Gesticul-8 Perform all 8 gestures of your own volition in co-op |
15 |
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Iron Grip Never lose a cube in Chamber 6 of the Mass and Velocity co-op course |
20 |
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You Saved Science Complete all test chambers in all courses of co-op |
100 |
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Obstacle Building Complete all test chambers in the Excursion Funnels co-op course |
15 |
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Bridge Building Complete all test chambers in the Hard-Light Surfaces co-op course |
15 |
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Confidence Building Complete all test chambers in the Mass and Velocity co-op course |
10 |
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Team Building Complete all test chambers in the Team Building co-op course |
10 |
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High Five Celebrate your cooperative calibration success |
5 |
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Smash TV Break 11 test chamber monitors |
75 |
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You Made Your Point Refuse to solve the first test in Chapter 8 |
10 |
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Portrait of a Lady Find a hidden portrait |
10 |
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Door Prize Examine all the vitrified test chamber doors |
20 |
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Ship Overboard Discover the missing experiment |
10 |
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Schrodinger's Catch Catch a blue-painted box before it touches the ground |
20 |
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No Hard Feelings Save a turret from redemption |
10 |
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Scanned Alone Stand in a defective turret detector |
5 |
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Good Listener Take GLaDOS' escape advice |
5 |
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Final Transmission Find the hidden signal in one of the Rat Man's dens |
20 |
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Pturretdactyl Use an Aerial Faith Plate to launch a turret |
5 |
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Preservation of Mass Break the rules in Test Chamber 07 |
20 |
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Pit Boss Show that pit who's boss |
30 |
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Overclocker Complete Test Chamber 10 in 70 seconds |
30 |
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Lunacy That just happened |
20 |
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Drop Box Place a cube on a button without touching the cube |
20 |
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The Part Where He Kills You This is that part |
20 |
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Dual Pit Experiment Do the same test twice |
15 |
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Tunnel of Funnel Master the Excursion Funnel |
15 |
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White Out Complete the first Conversion Gel test |
15 |
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Vertically Unchallenged Master the Repulsion Gel |
15 |
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Stranger Than Friction Master the Propulsion Gel |
15 |
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Tater Tote Carry science forward |
15 |
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Stalemate Associate Press the button! |
15 |
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SaBOTour Make a break for it |
10 |
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Bridge Over Troubling Water Complete the first Hard Light Bridge test |
10 |
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Undiscouraged Complete the first Thermal Discouragement Beam test |
10 |
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Wake Up Call Survive the manual override |
5 |
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You Monster Reunite with GLaDOS |
5 |
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Portal Conservation Society Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements |
20 |
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Four Ring Circus Enter 4 different portals without touching the ground in co-op |
25 |
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Triple Crown Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each |
15 |
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Still Alive Complete Course 4 with neither you nor your co-op partner dying |
15 |
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Asking for Trouble Taunt GLaDOS in front of a camera in each of the five co-op courses |
10 |
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Rock Portal Scissors Win 3 co-op games of rock-paper-scissors in a row |
20 |
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Friends List With Benefits While playing co-op, hug 3 different people on your friends list |
50 |