To use Sumdog, you will need one of these operating systems:

OS Minimum version
Android 5.0 (Lollipop)
iOS 9 (iPad 2/iPhone 5)
Windows Vista
Mac OS 10.6 (Snow Leopard)

To play 2D games, you also need to use one of these browsers:

Browser Minimum version Link to download recent version
Internet Explorer 10.0.0.0 Internet Explorer
Safari 7.0 Safari
Chrome 38.0.0.0 Chrome
Firefox 30.0 Firefox
Edge 12.0 Edge

To play 3D games, you will need to use one of these browsers:

Browser Minimum version
Firefox 52.0
Chrome 57.0.0.0
Edge 16.0
Safari 11.0

Without one of these browsers and operating systems, some Sumdog features may not work as expected. To check your browser's compatibility with Sumdog, click here.