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Portal

Steam App 400

Portal

A 2007 Steam game in Action.

GamersPilot average

95/100

Release

Oct 10, 2007

Genres

Action

Best price now

$9.99

Steam · All-time low: $0.99

Price data: IsThereAnyDeal
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Achievements

15

Avg. unlock rate

25.3%

Rarest (full-completion proxy)

2.8%

Players unlock the average Portal achievement 25.3% of the time — harder to fully complete than 32% of the 1718 scored games we track.

Source: Steam global achievement statistics, refreshed monthly. See the full dataset →

Score sources

Critic and player scores

Metacritic

Professional critic aggregate

90

Open source ↗

Steam users

198,726 player reviews

99

Open source ↗
View on Steam ↗

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How hard is Portal to 100%?

The average achievement in Portal is earned by 25.3% of players across its 15 achievements — harder to complete than 32% of the 1,718 Steam games in our achievement dataset. Its rarest achievement is held by 2.8% of players.

Achievements
15
Average unlock rate
25.3%
Rarest achievement
2.8%
How these numbers are measured →

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