Hi! Thanks for your support :)
Remember that you must purchase the Bundle from the correct link.
https://itch.io/s/199413/card-duel-system-bundle
If you buy it from the current page, you will only be buying the Deck Builder Plus Expansion Pack.
If you need to arrange to pay the difference, we recommend contacting us through our support page. This way we can assist you and provide a faster solution.