Donate for a Better Store
How to Find Secrets in Binding of Isaac: Rebirth
Often overlooked is that weird contraption that’s often found in the shop and other rooms. It wants coins. Why would anyone spend their valuable pennies and nickels on that silly machine?
Those who may have jammed a few coins in it would be equally disappointed, as nothing would have happened. Keep donating money! It’s good karma.
The Donation Machine of Binding of Isaac: Rebirth is actually the tool is actually your mechanism for upgrading your shop. Once you donate pre-determined amounts, your shop will automatically upgrades with new items along with more items to buy.
Moreover, your donated money carries over between runs. This makes donating all your cash right before a fight you’re almost positive you’ll lose a good investment so all that money doesn’t go to waste.