How can I reinstall previously purchased games without a credit card?
How do I download a game I had before without putting in a credit card
[Re-Titled by Moderator]
iPad, iPadOS 18
To redownload games:
Redownload apps and games from Apple - Apple Support
To use the App Store for any reason including downloads or even to update apps, you may need to provide a valid payment method. You won't be charged to redownload, but it can be used for verification purposes to make sure you are using the correct App Store for your region.
If you can’t download or update apps on your iPhone or iPad - Apple Support