Portal 2

29 of 51 ach. unlocked (57%)
Ecto5's achievements in Portal 2
Perform 2 aerial gestures before touching the ground in co-op
Jun 5, 12
Complete all test chambers in the Hard-Light Surfaces co-op course
Oct 9, 11
Complete the first Hard Light Bridge test
Apr 19, 11
Complete all test chambers in the Mass and Velocity co-op course
Oct 9, 11
Place a cube on a button without touching the cube
Jun 8, 11
Do the same test twice
May 26, 11
Take GLaDOS' escape advice
Apr 19, 11
Celebrate your cooperative calibration success
Oct 9, 11
That just happened
Apr 21, 11
Save a turret from redemption
Apr 19, 11
Find a hidden portrait
Apr 20, 11
Break the rules in Test Chamber 07
Jun 8, 11
Use an Aerial Faith Plate to launch a turret
Jun 8, 11
Win 3 co-op games of rock-paper-scissors in a row
Oct 9, 11
Make a break for it
Apr 19, 11
Stand in a defective turret detector
Apr 19, 11
Discover the missing experiment
Apr 20, 11
Break 11 test chamber monitors
May 27, 11
Press the button!
Apr 19, 11
Master the Propulsion Gel
Apr 20, 11
Carry science forward
Apr 20, 11
Complete all test chambers in the Team Building co-op course
Oct 9, 11
This is that part
Apr 21, 11
Master the Excursion Funnel
Apr 21, 11
Complete the first Thermal Discouragement Beam test
Apr 19, 11
Master the Repulsion Gel
Apr 20, 11
Survive the manual override
Apr 19, 11
Complete the first Conversion Gel test
Apr 20, 11
Reunite with GLaDOS
Apr 19, 11
Taunt GLaDOS in front of a camera in each of the five co-op courses
Locked
Dance in front of a turret blocked by a hard light bridge in co-op
Locked
Examine all the vitrified test chamber doors
Locked
Drop your co-op partner in goo while they are gesturing by removing the...
Locked
Find the hidden signal in one of the Rat Man's dens
Locked
Enter 4 different portals without touching the ground in co-op
Locked
While playing co-op, hug 3 different people on your friends list
Locked
Perform all 8 gestures of your own volition in co-op
Locked
Never lose a cube in Chamber 6 of the Mass and Velocity co-op course
Locked
Place a portal under your co-op partner while they are gesturing
Locked
Complete all test chambers in the Excursion Funnels co-op course
Locked
Complete Test Chamber 10 in 70 seconds
Locked
Find the hidden companion cube in co-op test chamber
Locked
Show that pit who's boss
Locked
Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total...
Locked
After completing co-op, complete Calibration Course online with a friend who...
Locked
Catch a blue-painted box before it touches the ground
Locked
Complete Course 4 with neither you nor your co-op partner dying
Locked
Never lose a cube in Chamber 6 of the Mobility Gels co-op course
Locked
Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each
Locked
Refuse to solve the first test in Chapter 8
Locked
Complete all test chambers in all courses of co-op
Locked
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