Portal

Portal

15 achievements

Ultra Rare×5

Very Rare×4

Rare×1

Uncommon×1

Common×4

About Portal's achievements

Portal has 15 Steam achievements, 5 of them ultra-rare — unlocked by under 5% of players. The rarest is "Basic Science", earned by just 2.8% of players. Across 127 SteamVault hunters who reached 100%, full completion takes a median of about 11 hours. Below is the complete achievement list with global rarity, a difficulty breakdown, and a SteamVault guide for every achievement.

Rarest achievement

2.8%

of players earned "Basic Science"

SteamVault 100%s

127

members fully completed it

Median to 100%

11h

typical time to full completion

📖 Read the full Portal guide →🗺️ Community guides & walkthroughs

Community Ratings

2 ratings

Difficulty5.5 / 10

Easy → Brutal

Enjoyment7.5 / 10

Meh → Loved it

Grindiness3.0 / 10

No grind → Huge grind

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All Portal achievements

15 achievements

Basic Science

Earn bronze medals on all Portal challenges.

Ultra Rare2.8%

Rocket Science

Earn silver medals on all Portal challenges.

Ultra Rare2.8%

Aperture Science

Earn gold medals on all Portal challenges.

Ultra Rare2.8%

Camera Shy

Detach security cameras from the walls.

Ultra Rare4.1%

Transmission Received

..?

Ultra Rare4.4%

Terminal Velocity

Fall 30,000 feet.

Very Rare9.0%

Vanilla Crazy Cake

Beat all six Portal advanced maps.

Very Rare9.2%

Fruitcake

Beat four Portal advanced maps.

Very Rare12.0%

Long Jump

Jump 300 feet.

Very Rare14.1%

Cupcake

Beat two Portal advanced maps.

Rare18.1%

Friendly Fire

Knock down a turret with another turret.

Uncommon48.5%

Heartbreaker

Complete Portal.

Common52.1%

Partygoer

Make the correct party escort submission position decision.

Common55.4%

Fratricide

Do whatever it takes to survive.

Common63.2%

Lab Rat

Acquire the fully powered Aperture Science Handheld Portal Device.

Common80.9%