Lab Rat
Acquire the fully powered Aperture Science Handheld Portal Device. 74.7%
Fratricide
Do whatever it takes to survive. 59.8%
Partygoer
Make the correct party escort submission position decision. 52.5%
Heartbreaker
Complete Portal. 48.8%
Friendly Fire
Knock down a turret with another turret. 47.7%
Cupcake
Beat two Portal advanced maps. 21.4%
Fruitcake
Beat four Portal advanced maps. 13.0%
Long Jump
Jump 300 feet. 11.6%
Vanilla Crazy Cake
Beat all six Portal advanced maps. 8.6%
Terminal Velocity
Fall 30,000 feet. 8.5%
Camera Shy
Detach security cameras from the walls. 2.0%
Transmission Received
..? 1.8%
Rocket Science
Earn silver medals on all Portal challenges. 0.6%
Basic Science
Earn bronze medals on all Portal challenges. 0.6%
Aperture Science
Earn gold medals on all Portal challenges.
