Steam Achievements · completionist.me

Achievement	Unlocked	Global Unlocks
Obstacle Building Complete all test chambers in the Excursion Funnels co-op course	2020-11-15 16:47:39	26.5%
Gesticul-8 Perform all 8 gestures of your own volition in co-op	2020-11-15 16:26:06	27.3%
Bridge Building Complete all test chambers in the Hard-Light Surfaces co-op course	2020-11-15 16:07:07	32.2%
Confidence Building Complete all test chambers in the Mass and Velocity co-op course	2016-02-01 00:07:03	41.1%
Air Show Perform 2 aerial gestures before touching the ground in co-op	2016-01-02 16:58:12	33.9%
Lunacy That just happened	2015-12-29 21:40:11	35.3%
The Part Where He Kills You This is that part	2015-12-29 21:07:06	35.6%
Tunnel of Funnel Master the Excursion Funnel	2015-12-29 20:59:05	36.3%
Dual Pit Experiment Do the same test twice	2015-12-29 20:07:41	38.3%
White Out Complete the first Conversion Gel test	2015-12-29 19:39:14	39.6%
Stranger Than Friction Master the Propulsion Gel	2015-12-29 19:28:11	40.8%
Tater Tote Carry science forward	2015-12-29 19:13:03	42.4%
Vertically Unchallenged Master the Repulsion Gel	2015-12-29 18:52:56	44.4%
Stalemate Associate Press the button!	2015-12-29 18:11:46	47.1%
Scanned Alone Stand in a defective turret detector	2015-12-29 17:56:15	35.8%
SaBOTour Make a break for it	2015-12-29 17:41:39	48.1%
Bridge Over Troubling Water Complete the first Hard Light Bridge test	2015-12-29 11:37:48	55.1%
Undiscouraged Complete the first Thermal Discouragement Beam test	2015-12-29 11:07:25	64.6%
You Monster Reunite with GLaDOS	2015-12-29 11:03:56	66.6%
Wake Up Call Survive the manual override	2015-12-29 11:03:56	75.9%
Team Building Complete all test chambers in the Team Building co-op course	2015-12-24 22:09:37	49.6%
High Five Celebrate your cooperative calibration success	2015-12-24 21:49:03	58.8%
Drop Box Place a cube on a button without touching the cube	2015-12-24 19:18:18	29.7%
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%
Can't Touch This Dance in front of a turret blocked by a hard light bridge in co-op		10.0%
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%
Four Ring Circus Enter 4 different portals without touching the ground in co-op		6.9%
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%
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%
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		29.3%
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		25.1%
No Hard Feelings Save a turret from redemption		31.9%
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%