Madden20 keeps playing after child time limit is up

The best solution would be to use the xbox gaming time as reward after your son has completed his daily chores and homework. You can do that easily by setting up screen time limits for your son, because believe me you can't keep a child away from the console.
To check how to set screen time limits: https://support.microsoft.com/en-us...ount-set-up-screen-time-limits-for-your-child

Everything on setting up screen time limits can be found at the link below

Setting up Screen time limits for your childs account

The Xbox app's profile (or profile on xbox one) for each user has time when people played a game last but I don't think there's anything that lets you see how long someone's played, except if you are a parent of a child account and you set screen time
limits:
https://support.microsoft.com/en-us/help/4028244/microsoft-account-set-up-screen-time-limits-for-your-child

You can set time limits by creating a child account for the person you are wanting to add these limits to. All you'll need to do is set up a
Family Account then add your child to that account.

If you need help with setting up Screen Time, you can find the step by step instructions here; Set up screen
time limits for your child

Hi there MattTaffi,

Thanks for reaching out. I'm sorry to hear about the issue with setting up time limits for the child account.

I recommend
trying the following resource article:
Set up screen time
limits for your child. To help review the progress of the child's device use with activity reports, try this
link.
You may invite a member to your Microsoft family. Adults can change adult/kids’ settings and keep an eye on their online activity and location, while they can enjoy a safer online experience.

Try this out and let us know the results.