I don't know how to edit the page but I want to note that the credit card also works on devil rooms, making them free. —Preceding unsigned comment added by 128.235.140.89 (talk • contribs)
Infinite Donations?
It seems like after a Credit Card has been used in a shop you can donate as much coins as you want without the donation machine to get stuck (I just donated 63 coins after that, so it needs verifications.)
--Y0LAs (talk) 17:48, 19 December 2014 (UTC)