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Portal

Portal

11 / 15 achievements73%
Ultra Rare1 / 5
Very Rare4 / 4
Rare1 / 1
Uncommon1 / 1
Common4 / 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 45 SteamVault hunters who reached 100%, full completion takes a median of about 6 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
45
members fully completed it
Median to 100%
6h
typical time to full completion

Community Ratings

2 ratings
Difficulty5.5 / 10
Easy → Brutal
Enjoyment7.5 / 10
Meh → Loved it
Grindiness3.0 / 10
No grind → Huge grind
Want to rate Portal? Sign in with Steam — one rating per person.

All Portal achievements

Your unlocked achievements
15 achievements
Camera Shy
✓Camera Shy
Detach security cameras from the walls.
Ultra Rare4.1%✓ 3 Jul 2026
Terminal Velocity
✓Terminal Velocity
Fall 30,000 feet.
Very Rare9.0%✓ 13 Apr 2026
Long Jump
✓Long Jump
Jump 300 feet.
Very Rare14.1%✓ 13 Apr 2026
Vanilla Crazy Cake
✓Vanilla Crazy Cake
Beat all six Portal advanced maps.
Very Rare9.2%✓ 13 Apr 2026
Fruitcake
✓Fruitcake
Beat four Portal advanced maps.
Very Rare12.0%✓ 17 Nov 2025
Cupcake
✓Cupcake
Beat two Portal advanced maps.
Rare18.1%✓ 17 Nov 2025
Heartbreaker
✓Heartbreaker
Complete Portal.
Common52.1%✓ 5 Oct 2021
Friendly Fire
✓Friendly Fire
Knock down a turret with another turret.
Uncommon48.5%✓ 5 Oct 2021
Partygoer
✓Partygoer
Make the correct party escort submission position decision.
Common55.4%✓ 5 Oct 2021
Fratricide
✓Fratricide
Do whatever it takes to survive.
Common63.2%✓ 5 Oct 2021
Lab Rat
✓Lab Rat
Acquire the fully powered Aperture Science Handheld Portal Device.
Common81.0%✓ 5 Oct 2021
Locked — 4 remaining
Basic Science
Basic Science
Earn bronze medals on all Portal challenges.
Ultra Rare2.8%
Rocket Science
Rocket Science
Earn silver medals on all Portal challenges.
Ultra Rare2.8%
Aperture Science
Aperture Science
Earn gold medals on all Portal challenges.
Ultra Rare2.8%
Transmission Received
Transmission Received
..?
Ultra Rare4.3%