This profile's games cannot be updated reliably unless Playtime Privacy Settings are changed accordingly. Read more.

Achievement Unlocked Visibility Global Unlocks
Door Prize
Examine all the vitrified test chamber doors 		7.5%
Tater Tote
Carry science forward 		42.5%
Vertically Unchallenged
Master the Repulsion Gel 		44.5%
Drop Box
Place a cube on a button without touching the cube 		29.7%
Smash TV
Break 11 test chamber monitors 		3.7%
SaBOTour
Make a break for it 		48.2%
Bridge Over Troubling Water
Complete the first Hard Light Bridge test 		55.2%
Schrodinger's Catch
Catch a blue-painted box before it touches the ground 		7.0%
Final Transmission
Find the hidden signal in one of the Rat Man's dens 		5.7%
Pit Boss
Show that pit who's boss 		8.0%
You Made Your Point
Refuse to solve the first test in Chapter 8 		6.8%
Obstacle Building
Complete all test chambers in the Excursion Funnels co-op course 		26.4%
Four Ring Circus
Enter 4 different portals without touching the ground in co-op 		6.9%
High Five
Celebrate your cooperative calibration success 		58.8%
Bridge Building
Complete all test chambers in the Hard-Light Surfaces co-op course 		32.2%
Undiscouraged
Complete the first Thermal Discouragement Beam test 		64.7%
Pturretdactyl
Use an Aerial Faith Plate to launch a turret 		9.1%
Portal Conservation Society
Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements 		2.7%
Confidence Building
Complete all test chambers in the Mass and Velocity co-op course 		41.1%
You Saved Science
Complete all test chambers in all courses of co-op 		21.3%
Iron Grip
Never lose a cube in Chamber 6 of the Mass and Velocity co-op course 		3.6%
Ship Overboard
Discover the missing experiment 		11.0%
Scanned Alone
Stand in a defective turret detector 		35.9%
Stranger Than Friction
Master the Propulsion Gel 		40.9%
Empty Gesture
Drop your co-op partner in goo while they are gesturing by removing the bridge under them 		4.6%
Party of Three
Find the hidden companion cube in co-op test chamber 		3.6%
Narbacular Drop
Place a portal under your co-op partner while they are gesturing 		5.9%
Portrait of a Lady
Find a hidden portrait 		12.1%
Good Listener
Take GLaDOS' escape advice 		29.4%
Rock Portal Scissors
Win 3 co-op games of rock-paper-scissors in a row 		9.9%
Preservation of Mass
Break the rules in Test Chamber 07 		25.2%
No Hard Feelings
Save a turret from redemption 		31.9%
Lunacy
That just happened 		35.3%
Triple Crown
Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each 		3.0%
Overclocker
Complete Test Chamber 10 in 70 seconds 		4.0%
Friends List With Benefits
While playing co-op, hug 3 different people on your friends list 		4.4%
Stalemate Associate
Press the button! 		47.2%
Still Alive
Complete Course 4 with neither you nor your co-op partner dying 		2.4%
Talent Show
Never lose a cube in Chamber 6 of the Mobility Gels co-op course 		2.6%
Wake Up Call
Survive the manual override 		76.0%
Asking for Trouble
Taunt GLaDOS in front of a camera in each of the five co-op courses 		9.1%
Gesticul-8
Perform all 8 gestures of your own volition in co-op 		27.3%
Professor Portal
After completing co-op, complete Calibration Course online with a friend who hasn’t played before 		5.8%
Team Building
Complete all test chambers in the Team Building co-op course 		49.6%
Tunnel of Funnel
Master the Excursion Funnel 		36.4%
Dual Pit Experiment
Do the same test twice 		38.3%
You Monster
Reunite with GLaDOS 		66.7%
The Part Where He Kills You
This is that part 		35.6%
White Out
Complete the first Conversion Gel test 		39.7%
Air Show
Perform 2 aerial gestures before touching the ground in co-op 		33.9%
Can't Touch This
Dance in front of a turret blocked by a hard light bridge in co-op 		10.0%