Genre PlatformerReleased Apr 18, 2011

Portal 2

Developed and published by Valve
Estimated lifetime revenue
$24.54M
Gross, before Steam's cut
Net revenue
$17.90M
After Steam's 27% cut
Units sold
4.70M
≈ 10 sales per review
Confidence
High
Based on 468,487 reviews
How we estimate →
Reviews
468,487
Overwhelmingly Positive99% positive
Playing now
1,324
13-day peak 2,775 · low 1,324
New reviews, last 13 days
+1,033
≈ 79 a day since Oct 3

History

Oct 3 – Oct 16

468.6K468.2K467.8K467.4K
Oct 3Oct 9Oct 16

Total Steam reviews. The slope is the signal: a steady climb long after launch means the game is still selling.

How it compares

Platformer →

Against the 120 most-reviewed Platformer games on Steam

Outearns 88% of them — in the top quarter of the group.

Median
$4.30M
28,868 reviews
Top 10% start at
$25.75M
This game
$24.54M
97th pct. by reviews

The group is the games with the most reviews under this tag, not every release, so it leans toward games that sold — a percentile here is a harder test than the same percentile across the whole store would be.

About

The "Perpetual Testing Initiative" has been expanded to allow you to design co-op puzzles for you and your friends!

Developer
Valve
Publisher
Valve
Genre
Platformer
Released
Apr 18, 2011
Steam app ID
620
Data updated
Oct 16, 2026
Estimates, not reported sales. No developer-published figures are on file for this game. See the methodology for how the numbers are built.