Portal 2

29 of 51 ach. unlocked (57%)
Ammy and Issun's achievements in Portal 2
Perform 2 aerial gestures before touching the ground in co-op
Jul 29, 11
Complete all test chambers in the Hard-Light Surfaces co-op course
Jul 29, 11
Complete the first Hard Light Bridge test
Jul 25, 11
Dance in front of a turret blocked by a hard light bridge in co-op
Jul 29, 11
Complete all test chambers in the Mass and Velocity co-op course
Jul 29, 11
Do the same test twice
Jul 27, 11
Perform all 8 gestures of your own volition in co-op
Jul 29, 11
Take GLaDOS' escape advice
Jul 26, 11
Celebrate your cooperative calibration success
Jul 29, 11
That just happened
Jul 27, 11
Save a turret from redemption
Jul 26, 11
Complete all test chambers in the Excursion Funnels co-op course
Jul 29, 11
Find the hidden companion cube in co-op test chamber
Jul 29, 11
Find a hidden portrait
Jul 26, 11
Break the rules in Test Chamber 07
Aug 5, 11
Make a break for it
Jul 26, 11
Stand in a defective turret detector
Jul 26, 11
Press the button!
Jul 26, 11
Master the Propulsion Gel
Jul 26, 11
Carry science forward
Jul 26, 11
Complete all test chambers in the Team Building co-op course
Jul 29, 11
This is that part
Jul 27, 11
Master the Excursion Funnel
Jul 27, 11
Complete the first Thermal Discouragement Beam test
Jul 25, 11
Master the Repulsion Gel
Jul 26, 11
Survive the manual override
Jul 25, 11
Complete the first Conversion Gel test
Jul 27, 11
Reunite with GLaDOS
Jul 25, 11
Complete all test chambers in all courses of co-op
Jul 29, 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
Place a cube on a button without touching the cube
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
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 Test Chamber 10 in 70 seconds
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
Use an Aerial Faith Plate to launch a turret
Locked
Win 3 co-op games of rock-paper-scissors in a row
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
(0.1200/d/web8)