
$9.99
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
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.