Lab Rat
Not unlocked yetAcquire the fully powered Aperture Science Handheld Portal Device.
Fratricide
Not unlocked yetDo whatever it takes to survive.
Partygoer
Not unlocked yetMake the correct party escort submission position decision.
Heartbreaker
Not unlocked yetComplete Portal.
Terminal Velocity
Not unlocked yetFall 30,000 feet.
Long Jump
Not unlocked yetJump 300 feet.
Cupcake
Not unlocked yetBeat two Portal advanced maps.
Fruitcake
Not unlocked yetBeat four Portal advanced maps.
Vanilla Crazy Cake
Not unlocked yetBeat all six Portal advanced maps.
Basic Science
Not unlocked yetEarn bronze medals on all Portal challenges.
Rocket Science
Not unlocked yetEarn silver medals on all Portal challenges.
Aperture Science
Not unlocked yetEarn gold medals on all Portal challenges.
Camera Shy
Not unlocked yetDetach security cameras from the walls.
Friendly Fire
Not unlocked yetKnock down a turret with another turret.
Transmission Received
Not unlocked yet..?