The process of requesting a refund for Dragon's Dogma 2 (or any game) on Xbox is easy and simple, though you have to do it within 14 days of your purchase and "without significant playtime ...

Under How to make an Xbox digital product refund request, select request a refund. Select the game from the list of recent purchases that qualify for a refund.

A quick guide on how to refund MW3 across platforms with steps for their specific storefronts and refund request forms.

Requesting A Refund On PlayStation PlayStation’s official refund policy only allows refunds if you haven’t started downloading or streaming the purchased content.