Portal

6 of 15 ach. unlocked (40%)
The Don's achievements in Portal
Beat two Portal advanced maps.
Jun 19, 11
Do whatever it takes to survive.
Jun 17, 11
Knock down a turret with another turret.
Jun 19, 11
Complete Portal.
Jun 19, 11
Acquire the fully powered Aperture Science Handheld Portal Device.
Jun 16, 11
Make the correct party escort submission position decision.
Jun 19, 11
Earn gold medals on all Portal challenges.
Locked
Earn bronze medals on all Portal challenges.
Locked
Detach security cameras from the walls.
Locked
Beat four Portal advanced maps.
Locked
Jump 300 feet.
Locked
Earn silver medals on all Portal challenges.
Locked
Fall 30,000 feet.
Locked
..?
Locked
Beat all six Portal advanced maps.
Locked
(0.1120/d/web6)