Portal

10 of 15 ach. unlocked (67%)
stimms212's achievements in Portal
Beat two Portal advanced maps.
Dec 9, 10
Do whatever it takes to survive.
Jun 28, 10
Knock down a turret with another turret.
Jun 28, 10
Beat four Portal advanced maps.
Dec 9, 10
Complete Portal.
Jun 28, 10
Acquire the fully powered Aperture Science Handheld Portal Device.
Jun 28, 10
Jump 300 feet.
May 13, 10
Make the correct party escort submission position decision.
Jun 28, 10
Fall 30,000 feet.
Jun 29, 10
Beat all six Portal advanced maps.
Dec 9, 10
Earn gold medals on all Portal challenges.
Locked
Earn bronze medals on all Portal challenges.
Locked
Detach security cameras from the walls.
Locked
Earn silver medals on all Portal challenges.
Locked
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Locked
(0.1026/d/web7)