Portal

6 of 15 ach. unlocked (40%)
MasterLink91's achievements in Portal
Do whatever it takes to survive.
Dec 26, 12
Knock down a turret with another turret.
Dec 26, 12
Complete Portal.
Dec 30, 12
Acquire the fully powered Aperture Science Handheld Portal Device.
Dec 26, 12
Make the correct party escort submission position decision.
Dec 26, 12
Fall 30,000 feet.
Jan 5, 13
Earn gold medals on all Portal challenges.
Locked
Earn bronze medals on all Portal challenges.
Locked
Detach security cameras from the walls.
Locked
Beat two Portal advanced maps.
Locked
Beat four Portal advanced maps.
Locked
Jump 300 feet.
Locked
Earn silver medals on all Portal challenges.
Locked
..?
Locked
Beat all six Portal advanced maps.
Locked
(0.1713/d/web6)