Portal 2 finished
Achievements
Earned 34 achievements
After completing co-op, complete Calibration Course online with a friend who hasn’t played before
Never lose a cube in Chamber 6 of the Mobility Gels co-op course
Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each
Complete all test chambers in all courses of co-op
Taunt GLaDOS in front of a camera in each of the five co-op courses
Complete all test chambers in the Excursion Funnels co-op course
Perform all 8 gestures of your own volition in co-op
Complete all test chambers in the Hard-Light Surfaces co-op course
Place a portal under your co-op partner while they are gesturing
Dance in front of a turret blocked by a hard light bridge in co-op
Drop your co-op partner in goo while they are gesturing by removing the bridge under them
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Master the Excursion Funnel
Do the same test twice
Complete the first Conversion Gel test
Master the Propulsion Gel
Carry science forward
Discover the missing experiment
Master the Repulsion Gel
Press the button!
Stand in a defective turret detector
Save a turret from redemption
Take GLaDOS' escape advice
Make a break for it
Complete the first Hard Light Bridge test
Break the rules in Test Chamber 07
Complete the first Thermal Discouragement Beam test
Reunite with GLaDOS
Complete all test chambers in the Mass and Velocity co-op course
Perform 2 aerial gestures before touching the ground in co-op
Complete all test chambers in the Team Building co-op course
Celebrate your cooperative calibration success
Survive the manual override