01Achievements
Every Portal 2 achievement, ordered by how few players in the world have unlocked it.
10 of 51 entries
Still AliveComplete Course 4 with neither you nor your co-op partner dying2.4%Very rare
Talent ShowNever lose a cube in Chamber 6 of the Mobility Gels co-op course2.6%Very rare
Portal Conservation SocietyComplete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements2.8%Very rare
Triple CrownSolve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each3%Very rare
Party of ThreeFind the hidden companion cube in co-op test chamber3.5%Very rare
Iron GripNever lose a cube in Chamber 6 of the Mass and Velocity co-op course3.6%Very rare
Smash TVBreak 11 test chamber monitors3.7%Very rare
OverclockerComplete Test Chamber 10 in 70 seconds4%Very rare
Friends List With BenefitsWhile playing co-op, hug 3 different people on your friends list4.5%Very rare
Empty GestureDrop your co-op partner in goo while they are gesturing by removing the bridge under them4.6%Very rare
Data from Steam — Steam Web API Terms of Use. Last updated .