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- Achievements
4.88%
Basic Science
Earn bronze medals on all Portal challenges.
4.88%
Aperture Science
Earn gold medals on all Portal challenges.
4.88%
Rocket Science
Earn silver medals on all Portal challenges.
6.10%
Transmission Received
..?
7.32%
Camera Shy
Detach security cameras from the walls.
9.76%
Vanilla Crazy Cake
Beat all six Portal advanced maps.
10.57%
Fruitcake
Beat four Portal advanced maps.
11.79%
Terminal Velocity
Fall 30,000 feet.
14.23%
Cupcake
Beat two Portal advanced maps.
15.04%
Long Jump
Jump 300 feet.
53.25%
Heartbreaker
Complete Portal.
54.07%
Friendly Fire
Knock down a turret with another turret.