The Binding Of Isaac Repentance Save Editor Official
Not all save editors work with the latest version of Repentance . Because the expansion added 130+ new items, 20+ new bosses, and a completely secondary "Tainted" character roster (Tainted Isaac, Tainted Lost, etc.), old editors will corrupt your data.
If you are using a save editor and need the specific IDs for paper items: How to Copy across Save File in Binding of Isaac Repentance The Binding Of Isaac Repentance Save Editor
Editing old saves can accidentally unlock "Co-op Babies" (removed in Repentance). This causes a crash. Ensure your editor has a "Remove obsolete data" button. Not all save editors work with the latest
If you are looking for the actual "paper" file to edit your progress manually without a graphical editor, you need to locate and modify your files using a standard text editor (like Notepad++): Locate Save Files This causes a crash
"I unlocked everything, but the Steam Achievement didn't pop." Solution: Steam achievements are tied to actions , not save state. You must trigger an "action." For example, if you edit The Lost to have Godhead, you need to pick up a new item or beat a boss to force Steam to re-check your secrets. Go into a run, pick up a penny. The achievement will fire.
The Gold Standard. Platform: Windows / Linux (Wine) / Mac (Mono). Why it wins: It is the only editor that fully supports all Repentance content, including the 34 Tainted characters, the "Beast" and "Mother" completion marks, and the "Death Certificate" unlock logic.