Hi, I am Dhanam, Independent Advisor here to work with you on this issue.
I know this has been difficult for you, Rest assured, I'm going to do my best to help you.
There are lots of Offline games in the Microsoft Store: Please refer to this page and download offline games from the Microsoft Store
https://www.microsoft.com/en-us/store/top-free/...
You can redefine your search.
This is a public user-to-user support forum. I'm a user like you helping other users. I do not work for Microsoft and cannot access any user accounts.
I hope this can help you. If this still can't solve your problem, just let me know and I'll do my best to try to help you.
Regards,
Dhanam,
Independent Advisor.