01Achievements
Every Portal achievement, ordered by how few players in the world have unlocked it.
15 of 15 entries
Aperture ScienceEarn gold medals on all Portal challenges.2.8%Very rare
Rocket ScienceEarn silver medals on all Portal challenges.2.8%Very rare
Basic ScienceEarn bronze medals on all Portal challenges.2.8%Very rare
Camera ShyDetach security cameras from the walls.4.1%Very rare
Transmission Received..?4.4%Very rare
Terminal VelocityFall 30,000 feet.9%Rare
Vanilla Crazy CakeBeat all six Portal advanced maps.9.2%Rare
FruitcakeBeat four Portal advanced maps.12%Rare
Long JumpJump 300 feet.14.1%Rare
CupcakeBeat two Portal advanced maps.18.1%Rare
Friendly FireKnock down a turret with another turret.48.5%Uncommon
HeartbreakerComplete Portal.52.1%Common
PartygoerMake the correct party escort submission position decision.55.4%Common
FratricideDo whatever it takes to survive.63.2%Common
Lab RatAcquire the fully powered Aperture Science Handheld Portal Device.80.9%Common
Data from Steam — Steam Web API Terms of Use. Last updated .