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- Portal with RTX/
- Achievements
5.20%
Basic Science
Earn bronze medals on all Portal challenges.
5.20%
Rocket Science
Earn silver medals on all Portal challenges.
5.20%
Aperture Science
Earn gold medals on all Portal challenges.
6.40%
Transmission Received
..?
7.60%
Camera Shy
Detach security cameras from the walls.
10.00%
Vanilla Crazy Cake
Beat all six Portal advanced maps.
10.80%
Fruitcake
Beat four Portal advanced maps.
12.00%
Terminal Velocity
Fall 30,000 feet.
14.40%
Cupcake
Beat two Portal advanced maps.
15.20%
Long Jump
Jump 300 feet.
52.80%
Heartbreaker
Complete Portal.
53.60%
Friendly Fire
Knock down a turret with another turret.