In the App Store, you can find contact information for app developers, including developers of Apple Arcade games.
If an app isn't working, but the issue doesn't affect other apps
If you can't use an in-app purchase, such as a bonus game level or "remove ads"
If you received a discounted subscription offer from the app developer and have questions about eligibility
Open the App Store on your iPhone or iPad.
Search for the app, then tap it. If you can't find the app you're looking for, tap or your photo at the top of the screen, tap Apps, then tap My Apps.
Tap "Not on this [device]," then select the app.
Scroll to the Ratings & Reviews section of the app's product page, then tap App Support. If you don't see App Support, make sure that you're signed in to the correct Apple Account.

Use the iPhone that's paired with your Apple Watch and follow the steps for iPhone.
Open the App Store on your Mac.
Click Sign In or your photo.
Click Apps & Purchase History, then click Your Apps.
Click the app that you want. If you can't find the app, use the search field.
Click Support or App Support on the app's product page. If you don't see Support or App Support, make sure that you're signed in to the correct Apple Account.

Open the App Store on your Apple TV 4K or Apple TV HD.
Search for the app, then choose it.
Scroll to the bottom of the app's product page. Find the developer's website in the Information section.
Open the App Store on your Apple Vision Pro.
Tap in the sidebar.
Search for the app, then tap it. If you can't find the app you're looking for, tap or your photo at the top of the screen, tap Apps & Purchase History, then tap Your Apps.
Tap "Apple Vision," then select the app.
Scroll to the Ratings & Reviews section of the app's product page, then tap App Support. If you don't see App Support, make sure that you're signed in to the correct Apple Account.
If you have an issue with an app but you didn't get the app from the App Store, you'll need to contact the developer directly. You can search the web for the name of the app or the developer to find their contact information.