Portal

by Valve

Steam · Overwhelmingly Positive

Steam Facts

Data current as of Apr 27, 2026. We re-crawl reviews and metadata every 14 days.

Steam Sentiment99

Overwhelmingly Positive

Fewer than 5% of Steam games with 1,000+ reviews achieve this.

Quick Stats

Reviews

96,697en

193,743 total (all languages)

Current as of Apr 27, 2026

Released

Oct 10, 2007

Price

$9.99

Velocity

23/day

Slowing

Metadata current as of May 4, 2026 · Source: Steam

Market Reach

Estimated owners±40%

≈5.4M

Estimated gross revenue±40%

≈$71.0M

Based on 193,743 reviews (all languages)

boxleiter_v2

Based on review count × genre/age/price-adjusted Boxleiter ratio. Gross revenue before Steam’s 30% cut, refunds, and regional pricing.

About

Portal™ is a new single player game from Valve. Set in the mysterious Aperture Science Laboratories, Portal has been called one of the most innovative new games on the horizon and will offer gamers hours of unique gameplay.

Sentiment History

Sentiment over time

Playtime Sentiment

Sentiment by time invested

· 10,456 post-launch reviews

92%231 rev

<2h

96%486 rev

2-10h

99%7,180 rev

10-50h

99%2,253 rev

50-200h

99%255 rev

200h+

94%51 rev

Sentiment is consistent across all playtime ranges — players feel the same way whether they've played 2 hours or 200.

Competitive Benchmark

Compared to 27 similar games in the Action genre released in 2007.

Sentiment vs. similar gamesTop 0%

Popularity vs. similar gamesTop 0%

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