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Portal
Lab Rat
Objective: Acquire the fully powered Aperture Science Handheld Portal Device.
Fratricide
Objective: Do whatever it takes to survive.
Partygoer
Objective: Make the correct party escort submission position decision.
Heartbreaker
Objective: Complete Portal.
Friendly Fire
Objective: Knock down a turret with another turret.
Cupcake
Objective: Beat two Portal advanced maps.
Fruitcake
Objective: Beat four Portal advanced maps.
Long Jump
Objective: Jump 300 feet.
Vanilla Crazy Cake
Objective: Beat all six Portal advanced maps.
Terminal Velocity
Objective: Fall 30,000 feet.
Camera Shy
Objective: Detach security cameras from the walls.
Transmission Received
Objective: ..?
Rocket Science
Objective: Earn silver medals on all Portal challenges.
Basic Science
Objective: Earn bronze medals on all Portal challenges.
Aperture Science
Objective: Earn gold medals on all Portal challenges.
Lab Rat
Objective: Acquire the fully powered Aperture Science Handheld Portal Device.
Fratricide
Objective: Do whatever it takes to survive.
Partygoer
Objective: Make the correct party escort submission position decision.
Heartbreaker
Objective: Complete Portal.
Friendly Fire
Objective: Knock down a turret with another turret.
Cupcake
Objective: Beat two Portal advanced maps.
Fruitcake
Objective: Beat four Portal advanced maps.
Long Jump
Objective: Jump 300 feet.
Vanilla Crazy Cake
Objective: Beat all six Portal advanced maps.
Terminal Velocity
Objective: Fall 30,000 feet.
Camera Shy
Objective: Detach security cameras from the walls.
Transmission Received
Objective: ..?
Rocket Science
Objective: Earn silver medals on all Portal challenges.
Basic Science
Objective: Earn bronze medals on all Portal challenges.
Aperture Science
Objective: Earn gold medals on all Portal challenges.