Portal 2
Valve · released April 17, 2011
PlayStationPCXbox
The "Perpetual Testing Initiative" has been expanded to allow you to design co-op puzzles for you and your friends!
Sales
25,100,000
all platforms · as of October 16, 2026
Latest Steam CCU
2,460
Steam daily peak · Oct 16, 2026
Steam all-time peak
14,984
Steam concurrent players · Jun 2017
$9.99all-time low: $1.99
Sales by platform
| Platforms | Sales | Share |
|---|---|---|
| PC | 13.4M | 53% |
| PlayStation | 8.7M | 35% |
| Xbox | 3M | 12% |
Source: Steam