Contact us at support (you can find all contact information on the left of the support page), we will delete your account immediately.
IMPORTANT: After deleting your account, all of your data on Gamesplanet will be removed - this means that you will not be able to access your download links or activation keys from the website.
Please backup your game downloads, and the corresponding activation keys BEFORE you decide to delete your account - we can not undo this step!