There are certainly possibilities to get the game without a credit card, which is especially useful for Dutch people. Just send me a message or send a mail to email@example.com and I will let you know what to do.
Anyone with the 19 euro pledge level or higher has access to the print&play files. Just let me know you are interested in the files, no need to increase your pledge with 3 euros.
Don't see the answer to your question? Ask the project creator directly.