Latest Steam In-Game Overlay 2009 user agents:
| User Agent |
Platform | Device |
| Mozilla/5.0 (Windows; U; Windows NT 6.2; en-US; Valve Steam GameOverlay/2009; ) AppleWebKit/535.15 (KHTML, like Gecko) Chrome/18.0.989.0 Safari/535.11 |
Windows 8 | Unknown |
| Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; Valve Steam GameOverlay/2009; ) AppleWebKit/535.15 (KHTML, like Gecko) Chrome/18.0.989.0 Safari/535.11 |
Windows 7 | Unknown |
| Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; Valve Steam GameOverlay/2009; ) AppleWebKit/535.15 (KHTML, like Gecko) Chrome/18.0.989.0 Safari/535.11 |
Windows Vista | Unknown |