Portal

12 of 15 ach. unlocked (80%)
megagamer2254's achievements in Portal
Detach security cameras from the walls.
Jun 27, 11
Beat two Portal advanced maps.
Jun 26, 11
Do whatever it takes to survive.
Jun 26, 11
Knock down a turret with another turret.
Jun 26, 11
Beat four Portal advanced maps.
Jun 27, 11
Complete Portal.
Jun 26, 11
Acquire the fully powered Aperture Science Handheld Portal Device.
Jun 25, 11
Jump 300 feet.
Jun 27, 11
Make the correct party escort submission position decision.
Jun 26, 11
Fall 30,000 feet.
Jun 25, 11
..?
Jun 27, 11
Beat all six Portal advanced maps.
Jun 27, 11
Earn gold medals on all Portal challenges.
Locked
Earn bronze medals on all Portal challenges.
Locked
Earn silver medals on all Portal challenges.
Locked
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