When it comes to a pre-order, it is not possible to cancel the pre-order on your own. If you want to resign from your pre-order, you can do this up until 3 days of the release date of the game.
To do so, please contact our Customer Service Team to arrange a refund for you. You can reach is via 24/7 LiveChat or by e-mailing us at info@shopretrograde.com