Portal

0 of 15 ach. unlocked (0%)
Soverign's achievements in Portal
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
Do whatever it takes to survive.
Locked
Knock down a turret with another turret.
Locked
Beat four Portal advanced maps.
Locked
Complete Portal.
Locked
Acquire the fully powered Aperture Science Handheld Portal Device.
Locked
Jump 300 feet.
Locked
Make the correct party escort submission position decision.
Locked
Earn silver medals on all Portal challenges.
Locked
Fall 30,000 feet.
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..?
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Beat all six Portal advanced maps.
Locked
(0.0929/d/web8)