| icon | info |
|---|---|
 | Wake Up Call Survive the manual override unlocked Sep 14th, 2018 3:52 am |
 | You Monster Reunite with GLaDOS unlocked Sep 14th, 2018 4:13 am |
 | Undiscouraged Complete the first Thermal Discouragement Beam test unlocked Sep 14th, 2018 6:43 am |
 | Bridge Over Troubling Water Complete the first Hard Light Bridge test unlocked Sep 14th, 2018 7:07 am |
 | SaBOTour Make a break for it unlocked Sep 14th, 2018 7:41 am |
 | Stalemate Associate Press the button! unlocked Sep 14th, 2018 8:04 am |
 | Tater Tote Carry science forward unlocked Sep 15th, 2018 12:25 am |
 | Vertically Unchallenged Master the Repulsion Gel unlocked Sep 15th, 2018 12:03 am |
 | Stranger Than Friction Master the Propulsion Gel unlocked Sep 15th, 2018 12:44 am |
 | White Out Complete the first Conversion Gel test unlocked Sep 15th, 2018 1:00 am |
 | Tunnel of Funnel Master the Excursion Funnel unlocked Sep 15th, 2018 2:27 am |
 | Dual Pit Experiment Do the same test twice unlocked Sep 15th, 2018 1:28 am |
 | The Part Where He Kills You This is that part unlocked Sep 15th, 2018 3:54 am |
 | Lunacy That just happened unlocked Sep 15th, 2018 4:18 am |
 | Drop Box Place a cube on a button without touching the cube |
 | Overclocker Complete Test Chamber 10 in 70 seconds |
 | Pit Boss Show that pit who's boss unlocked Sep 15th, 2018 3:55 am |
 | Preservation of Mass Break the rules in Test Chamber 07 unlocked Sep 14th, 2018 6:55 am |
 | 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 unlocked Sep 14th, 2018 7:41 am |
 | Scanned Alone Stand in a defective turret detector |
 | No Hard Feelings Save a turret from redemption unlocked Sep 14th, 2018 7:49 am |
 | 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 |
 | You Saved Science Complete all test chambers in all courses of co-op |
 | 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 |
 | Narbacular Drop Place a portal under your co-op partner while they are gesturing |
 | Professor Portal After completing co-op, complete Calibration Course online with a friend who hasn’t played before |
 | 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 |
 | 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 |
 | Talent Show Never lose a cube in Chamber 6 of the Mobility Gels co-op course |
