Return a video game gift
Can you replace an item you ordered with the same item/video game?
How can you view the status of your return/refund?
Conclusion
Yes, you need a reason to return your video game so that the support team may understand what the matter is about the game and help you accordingly. Yes, you can return your video game for a full refund, but that depends if you activated, used the video game. You may not get your full refund as you will get charged a rest