Steam Achievements · completionist.me

Achievement	Unlocked	Global Unlocks
Lunacy That just happened	2020-09-20 17:53:11	35.3%
The Part Where He Kills You This is that part	2020-09-20 17:18:57	35.6%
Tunnel of Funnel Master the Excursion Funnel	2020-09-20 17:09:55	36.4%
Dual Pit Experiment Do the same test twice	2020-09-20 14:33:23	38.3%
White Out Complete the first Conversion Gel test	2020-09-20 13:28:10	39.7%
Stranger Than Friction Master the Propulsion Gel	2020-09-20 12:57:04	40.8%
Portrait of a Lady Find a hidden portrait	2020-09-20 12:25:44	12.1%
Tater Tote Carry science forward	2020-09-20 12:00:06	42.5%
Vertically Unchallenged Master the Repulsion Gel	2020-09-19 23:37:43	44.4%
Stalemate Associate Press the button!	2020-09-19 22:34:18	47.2%
Scanned Alone Stand in a defective turret detector	2020-09-19 22:20:36	35.9%
No Hard Feelings Save a turret from redemption	2020-09-19 22:16:17	31.9%
SaBOTour Make a break for it	2020-09-19 22:04:14	48.2%
Bridge Over Troubling Water Complete the first Hard Light Bridge test	2020-09-19 16:06:33	55.1%
Preservation of Mass Break the rules in Test Chamber 07	2020-09-19 15:42:39	25.1%
Undiscouraged Complete the first Thermal Discouragement Beam test	2020-09-19 14:53:46	64.6%
You Monster Reunite with GLaDOS	2020-09-19 14:49:01	66.7%
Wake Up Call Survive the manual override	2020-09-19 14:24:06	75.9%
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%
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%
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%
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%
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%
Air Show Perform 2 aerial gestures before touching the ground in co-op		33.9%
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%
Drop Box Place a cube on a button without touching the cube		29.7%
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%
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%
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%
Empty Gesture Drop your co-op partner in goo while they are gesturing by removing the bridge under them		4.6%