Portal

15 of 15 ach. unlocked (100%)
Sparkz's achievements in Portal
Earn gold medals on all Portal challenges.
May 20, 13
Earn bronze medals on all Portal challenges.
May 20, 13
Detach security cameras from the walls.
May 20, 13
Beat two Portal advanced maps.
May 20, 13
Do whatever it takes to survive.
Knock down a turret with another turret.
Beat four Portal advanced maps.
May 20, 13
Complete Portal.
May 20, 13
Acquire the fully powered Aperture Science Handheld Portal Device.
Jump 300 feet.
May 20, 13
Make the correct party escort submission position decision.
May 20, 13
Earn silver medals on all Portal challenges.
May 20, 13
Fall 30,000 feet.
May 20, 13
..?
May 20, 13
Beat all six Portal advanced maps.
May 20, 13
(0.1118/d/web8)