Portal achievements

15 achievements on Steam

Rarest first. Published rarity by platform.

Each platform measures its own player population.Why that matters

Each platform calculates rarity from its own player population. These percentages are shown side by side but are not a controlled comparison. Percentages are shown exactly as each platform publishes them — Pyroblast does not recalculate them or mix player populations together.

Played it? See which of these you've earned

Rocket ScienceSteam only
Earn silver medals on all Portal challenges.
Steam2.8%
Basic ScienceSteam only
Earn bronze medals on all Portal challenges.
Steam2.8%
Aperture ScienceSteam only
Earn gold medals on all Portal challenges.
Steam2.8%
Camera ShySteam only
Detach security cameras from the walls.
Steam4.1%
Transmission ReceivedSteam only
..?
Steam4.4%
Terminal VelocitySteam only
Fall 30,000 feet.
Steam9.0%
Vanilla Crazy CakeSteam only
Beat all six Portal advanced maps.
Steam9.2%
FruitcakeSteam only
Beat four Portal advanced maps.
Steam12%
Long JumpSteam only
Jump 300 feet.
Steam14%
CupcakeSteam only
Beat two Portal advanced maps.
Steam18%
Friendly FireSteam only
Knock down a turret with another turret.
Steam49%
HeartbreakerSteam only
Complete Portal.
Steam52%
PartygoerSteam only
Make the correct party escort submission position decision.
Steam55%
FratricideSteam only
Do whatever it takes to survive.
Steam63%
Lab RatSteam only
Acquire the fully powered Aperture Science Handheld Portal Device.
Steam81%

Played Portal? See how many of these you've got.

Which ones you've earned — and which you're missing
Your rarest unlock, and where it ranks
Your whole history for this game, on one timeline
Steam, PlayStation, Xbox and Battle.net in one place

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How rarity is calculated

Each platform calculates rarity from its own player population. These percentages are shown side by side but are not a controlled comparison.

Steam — Valve's published global unlock percentage across Steam owners of the game.

Percentages are shown exactly as each platform publishes them. Pyroblast does not recalculate them and does not mix player populations together. Data updated August 9, 2026.