Portal

8 of 15 ach. unlocked (54%)
XtremeBladesta's achievements in Portal
Beat two Portal advanced maps.
Apr 27, 13
Do whatever it takes to survive.
Jun 28, 10
Knock down a turret with another turret.
Jun 28, 10
Beat four Portal advanced maps.
Apr 27, 13
Complete Portal.
Jun 29, 10
Acquire the fully powered Aperture Science Handheld Portal Device.
Jun 28, 10
Make the correct party escort submission position decision.
Jun 29, 10
Fall 30,000 feet.
Jun 28, 10
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
Beat all six Portal advanced maps.
Locked
(0.1798/d/web6)