Portal

12 of 15 ach. unlocked (80%)
Cviko's achievements in Portal
Detach security cameras from the walls.
Feb 27, 11
Beat two Portal advanced maps.
Feb 27, 11
Do whatever it takes to survive.
Feb 24, 11
Knock down a turret with another turret.
Feb 24, 11
Beat four Portal advanced maps.
Feb 27, 11
Complete Portal.
Feb 25, 11
Acquire the fully powered Aperture Science Handheld Portal Device.
Feb 21, 11
Jump 300 feet.
Feb 27, 11
Make the correct party escort submission position decision.
Feb 24, 11
Fall 30,000 feet.
Feb 25, 11
..?
Feb 27, 11
Beat all six Portal advanced maps.
Feb 28, 11
Earn gold medals on all Portal challenges.
Locked
Earn bronze medals on all Portal challenges.
Locked
Earn silver medals on all Portal challenges.
Locked
(0.1534/d/web6)