How do I delete a game from the cloud? It wants to log into the wrong FB account. I can not sign out of the game.

Hi suefrommpls,

Thanks for posting your question. If I understand correctly, you have an issue signing in to a game and you want to remove the related data from iCloud; is that right?

You can turn off iCloud backups for an app by following the steps below: Manage your iCloud storage

"Choose which apps to back up

Many iOS apps automatically back up to iCloud after you install them. You can change which apps back up and remove existing backups from your storage. Use these steps on your iPhone, iPad, or iPod touch:

iOS 10.3 or later:

1. Go to Settings > [your name] > iCloud.
2. If you use iOS 11 or later, tap Manage Storage > Backups. If you use iOS 10.3, tap iCloud Storage > Manage Storage. 
3. Tap the name of the device that you're using.
4. Under Choose Data to Back Up, turn off any apps that you don't want to back up.
5. Choose Turn Off & Delete.

When you confirm that you want to Turn Off & Delete an app, it turns off iCloud Backup for that app and removes all of its information from iCloud.

Some apps are always backed up and you can't turn them off."

If you find this doesn't resolve the issue, you'll want to reach out to the developer of the game for additional assistance: How to contact an app developer

Take care.