Portal

9 of 15 ach. unlocked (60%)
Charles Stover's achievements in Portal
Beat two Portal advanced maps.
Dec 28, 09
Do whatever it takes to survive.
Dec 27, 09
Knock down a turret with another turret.
Feb 24, 11
Beat four Portal advanced maps.
Feb 21, 11
Complete Portal.
Acquire the fully powered Aperture Science Handheld Portal Device.
Make the correct party escort submission position decision.
Feb 24, 11
Fall 30,000 feet.
Feb 24, 11
Beat all six Portal advanced maps.
Feb 24, 11
Earn gold medals on all Portal challenges.
Locked
Earn bronze medals on all Portal challenges.
Locked
Detach security cameras from the walls.
Locked
Jump 300 feet.
Locked
Earn silver medals on all Portal challenges.
Locked
..?
Locked
(0.1525/d/web2)