Portal 2

Portal 2 Platinum Trophy

Collected all other Portal 2 trophies

Still Alive

Complete Course 4 with neither you nor your co-op partner dying

Talent Show

Never lose a cube in Chamber 6 of the Mobility Gels co-op course

Triple Crown

Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each

Portal Conservation Society

Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements

Iron Grip

Never lose a cube in Chamber 6 of the Mass and Velocity co-op course

Party of Three

Find the hidden companion cube in co-op test chamber

Smash TV

Break 11 test chamber monitors

Friends List With Benefits

While playing co-op, hug 3 different people on your friends list

Overclocker

Complete Test Chamber 10 in 70 seconds