Steam Achievements · completionist.me

Achievement	Unlocked	Global Unlocks
You Saved Science Complete all test chambers in all courses of co-op	2013-01-03 20:16:41	21.3%
Four Ring Circus Enter 4 different portals without touching the ground in co-op	2013-01-03 19:35:58	6.9%
Obstacle Building Complete all test chambers in the Excursion Funnels co-op course	2012-12-25 20:34:11	26.5%
Can't Touch This Dance in front of a turret blocked by a hard light bridge in co-op	2012-12-25 20:32:35	10.0%
Gesticul-8 Perform all 8 gestures of your own volition in co-op	2012-12-25 19:27:00	27.3%
Bridge Building Complete all test chambers in the Hard-Light Surfaces co-op course	2012-12-21 23:50:36	32.2%
Air Show Perform 2 aerial gestures before touching the ground in co-op	2011-12-31 21:57:59	33.9%
Confidence Building Complete all test chambers in the Mass and Velocity co-op course	2011-12-29 23:03:45	41.1%
Team Building Complete all test chambers in the Team Building co-op course	2011-12-29 22:11:00	49.6%
High Five Celebrate your cooperative calibration success	2011-12-29 21:40:18	58.8%
Tater Tote Carry science forward	2011-12-07 02:56:25	42.4%
Vertically Unchallenged Master the Repulsion Gel	2011-12-07 00:13:56	44.4%
Stalemate Associate Press the button!	2011-12-06 01:04:10	47.1%
Good Listener Take GLaDOS' escape advice	2011-12-06 00:31:39	29.3%
SaBOTour Make a break for it	2011-12-06 00:27:39	48.1%
Bridge Over Troubling Water Complete the first Hard Light Bridge test	2011-12-04 19:49:36	55.1%
Preservation of Mass Break the rules in Test Chamber 07	2011-12-04 19:27:10	25.1%
Drop Box Place a cube on a button without touching the cube	2011-12-04 19:23:32	29.7%
Undiscouraged Complete the first Thermal Discouragement Beam test	2011-12-04 19:04:33	64.6%
You Monster Reunite with GLaDOS	2011-12-04 17:32:34	66.6%
Wake Up Call Survive the manual override	2011-12-04 17:05:24	75.9%
Friends List With Benefits While playing co-op, hug 3 different people on your friends list		4.4%
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%
Asking for Trouble Taunt GLaDOS in front of a camera in each of the five co-op courses		9.1%
Professor Portal After completing co-op, complete Calibration Course online with a friend who hasn’t played before		5.8%
Door Prize Examine all the vitrified test chamber doors		7.5%
Dual Pit Experiment Do the same test twice		38.3%
The Part Where He Kills You This is that part		35.6%
White Out Complete the first Conversion Gel test		39.6%
Tunnel of Funnel Master the Excursion Funnel		36.3%
Smash TV Break 11 test chamber monitors		3.7%
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%
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%
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		35.8%
Stranger Than Friction Master the Propulsion Gel		40.8%
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%
Rock Portal Scissors Win 3 co-op games of rock-paper-scissors in a row		9.9%
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%