1. Open the Xbox console and log in to your account.
2. Find the game whose record you want to delete, and then click it.
3. On the game details page, click management games and Add-ins (located on the right side of the page).
4. On the subsequent page, select "Save".
5. Click Clear Saved Data.
6. Confirm that you want to delete the game and all the saved data.
7. To delete the whole game, please return to the administration page and select "Uninstall".
This will delete the game record from your Xbox game library.
It should be noted that these steps will not delete your game account or game purchase history, but only delete the records in your Xbox game library.