Portal

6 of 15 ach. unlocked (40%)
TehWelshGamer's achievements in Portal
Beat two Portal advanced maps.
Sep 11, 13
Do whatever it takes to survive.
Mar 3, 12
Knock down a turret with another turret.
Jan 18, 12
Complete Portal.
Mar 3, 12
Acquire the fully powered Aperture Science Handheld Portal Device.
Sep 12, 11
Make the correct party escort submission position decision.
Mar 3, 12
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
(0.2421/d/web6)