The ones I see are all before the September 2018 update (I forget the name, I think it's a reference to DnD). Save Extra Heart Containers for Later. Enter the gungeon uses multiple save slots. level 2. With a selection of items to match its stock of guns, there is a wide variety of items in Enter the Gungeon that range from bullet upgrades to health … They're located in the main save folder and should look like "SlotA.backup.