Portal

Valve

Released
Oct 10, 2007
Platforms
Last updated
Wishlist on SteamAdd it on the Steam store page. Opens in a new tab.
PuzzlePuzzle PlatformerFirst-Person3D PlatformerSingleplayer

User reviews

Steam rating99%
Total reviews199,141
Positive reviews196,200
Negative reviews2,941

Review history

Changes between observations

Review activity is calculated from the recorded observations on this page. The first point is the baseline.

Recorded observations

Aggregate counts and gains from the previous observation shown. A dash means no earlier row is available; review text is not stored.
ObservedPositivePositive gainNegativeNegative gainScore
196,200+2062,941+599%
195,994+1092,936+299%
195,885+212,934−399%
195,864+102,937099%
195,854—2,937—99%