Since Game Capture only works on OpenGL, Vulkan, and DirectX games, you will need to use Screen Capture on your browser or web-based game client to add it as a source.

If the browser you are planning to capture is Google Chrome, you will need to disable Use Hardware Acceleration when Available under your Settings > System which you can find by clicking here.

Some games with web-based clients (such as slither.io) may require Exclusive Window Capture to be disabled to be properly captured.

To learn more about Screen Capture, click here.

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