Portal

15 of 15 ach. unlocked (100%)
Machienzo's achievements in Portal
Earn gold medals on all Portal challenges.
Jul 7, 09
Earn bronze medals on all Portal challenges.
Jul 7, 09
Detach security cameras from the walls.
Beat two Portal advanced maps.
May 8, 10
Do whatever it takes to survive.
Knock down a turret with another turret.
Beat four Portal advanced maps.
Jul 7, 09
Complete Portal.
Acquire the fully powered Aperture Science Handheld Portal Device.
Jump 300 feet.
Jul 7, 09
Make the correct party escort submission position decision.
Earn silver medals on all Portal challenges.
Jul 7, 09
Fall 30,000 feet.
..?
May 17, 10
Beat all six Portal advanced maps.
Jul 7, 09
(0.2096/d/web6)