Hi @Dan Lauber,
Please open Edge settings and locate "Cookies and site permissions", scroll down to find "Pop-ups and redirects" and "Intrusive ads". Please block both of them and observe whether the game suggestions still appear.
In addition, please tell me your Edge version and operating system environment. And when you reproduce this issue, please take a screenshot and provide it to me.
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Best Regards,
Jinxin Wang