Portal: Revolution achievements

11.11%

Fingerprinter

Smear your dirty fingers over Aperture's beautiful glass

12.22%

Supply Chain Problems

Deplete the gel supply in Chamber 4-11

12.22%

Two times the charm

Solve the Chamber 6-2 twice

12.22%

Pacifist

Complete the Chamber 4-9 without knocking over any turrets

13.33%

Still a pacifist

Complete Chamber 5-1 without destroying any turrets

13.33%

Refreshing shower

Take a shower under one of the gel cleansing fields

13.33%

Just in time

Deplete the conveyors' supply of Weighted Storage Cubes

17.78%

Endless loop

Fling in an endless loop in Chamber 4-11

17.78%

Captivating Looks

Stare at Conly's mannequins for a really long time

22.22%

The fun solution

Solve Chamber 6-6 the fun way

24.44%

Bullseye

Get the ball in 4-10 to land perfectly in the socket

28.89%

Sending a message

Blow up a test chamber sign