Portal

5 of 15 ach. unlocked (34%)
Petex's achievements in Portal
Do whatever it takes to survive.
Jun 30, 10
Knock down a turret with another turret.
Jun 30, 10
Complete Portal.
Jun 30, 10
Acquire the fully powered Aperture Science Handheld Portal Device.
Jun 30, 10
Make the correct party escort submission position decision.
Jun 30, 10
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
Fall 30,000 feet.
Locked
..?
Locked
Beat all six Portal advanced maps.
Locked
(0.0817/d/web8)