Portal

8 of 15 ach. unlocked (54%)
Lhy's achievements in Portal
Beat two Portal advanced maps.
Oct 31, 11
Do whatever it takes to survive.
Feb 23, 09
Knock down a turret with another turret.
Feb 22, 09
Beat four Portal advanced maps.
Nov 10, 11
Complete Portal.
Feb 23, 09
Acquire the fully powered Aperture Science Handheld Portal Device.
Feb 23, 09
Make the correct party escort submission position decision.
Feb 23, 09
..?
Apr 20, 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
Fall 30,000 feet.
Locked
Beat all six Portal advanced maps.
Locked
(0.1054/d/web2)