Portal 2

36 of 51 ach. unlocked (71%)
Sonic Chao's achievements in Portal 2
Perform 2 aerial gestures before touching the ground in co-op
Apr 21, 11
Complete all test chambers in the Hard-Light Surfaces co-op course
Apr 22, 11
Complete the first Hard Light Bridge test
Apr 21, 11
Dance in front of a turret blocked by a hard light bridge in co-op
Apr 22, 11
Complete all test chambers in the Mass and Velocity co-op course
Apr 21, 11
Place a cube on a button without touching the cube
Apr 22, 11
Do the same test twice
Apr 21, 11
Drop your co-op partner in goo while they are gesturing by removing the...
Apr 22, 11
Find the hidden signal in one of the Rat Man's dens
Apr 22, 11
Perform all 8 gestures of your own volition in co-op
Apr 22, 11
Take GLaDOS' escape advice
Apr 21, 11
Celebrate your cooperative calibration success
Apr 21, 11
Never lose a cube in Chamber 6 of the Mass and Velocity co-op course
Apr 21, 11
That just happened
Apr 21, 11
Place a portal under your co-op partner while they are gesturing
Apr 21, 11
Save a turret from redemption
Apr 21, 11
Complete all test chambers in the Excursion Funnels co-op course
Apr 22, 11
Complete Test Chamber 10 in 70 seconds
Apr 22, 11
Show that pit who's boss
Apr 22, 11
Break the rules in Test Chamber 07
Apr 21, 11
Use an Aerial Faith Plate to launch a turret
Apr 22, 11
Win 3 co-op games of rock-paper-scissors in a row
Apr 21, 11
Make a break for it
Apr 21, 11
Stand in a defective turret detector
Apr 22, 11
Press the button!
Apr 21, 11
Master the Propulsion Gel
Apr 21, 11
Carry science forward
Apr 21, 11
Complete all test chambers in the Team Building co-op course
Apr 21, 11
This is that part
Apr 21, 11
Master the Excursion Funnel
Apr 21, 11
Complete the first Thermal Discouragement Beam test
Apr 21, 11
Master the Repulsion Gel
Apr 21, 11
Survive the manual override
Apr 21, 11
Complete the first Conversion Gel test
Apr 21, 11
Reunite with GLaDOS
Apr 21, 11
Complete all test chambers in all courses of co-op
Apr 22, 11
Taunt GLaDOS in front of a camera in each of the five co-op courses
Locked
Examine all the vitrified test chamber doors
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
Find the hidden companion cube in co-op test chamber
Locked
Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total...
Locked
Find a hidden portrait
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
Discover the missing experiment
Locked
Break 11 test chamber monitors
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
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