The capture picker is empty

On Mac: open System Settings, then Privacy & Security, then Screen Recording, and make sure GlazeBot is ticked. Quit and reopen GlazeBot after you change it.

On Windows: close GlazeBot from the tray icon and open it again. Closing the window only hides the app.

If only your game is missing from the App list: use Screen instead.

Next: Failed to capture screen

Still stuck? In the app, click the ? in the sidebar, then Send feedback. Or read the rest of the help pages.