Various web-based tools allow you to upload your persistentgamedata1.dat file. These tools typically provide a user-friendly interface to toggle unlocks, secrets, and completion marks.
To unlock everything in this game—every item, every completion mark, every secret—requires hundreds, if not thousands, of hours of grinding. You need to beat Mother with Jacob & Esau. You need to complete Boss Rush as Tainted Lost. You need to find that one missing item (looking at you, Death Certificate ).
Some popular save editors for The Binding of Isaac: Repentance include: The Binding Of Isaac Repentance Save Editor
Remove the barriers that frustrate you, but leave enough mystery to keep Isaac feeling like Isaac—unfair, bizarre, and glorious.
Move the new file into your save directory, overwriting the old one. Various web-based tools allow you to upload your
It is a single-player game. Using a save editor harms nobody. However, you should not upload edited save files to speedrun leaderboards or claim legitimacy in competitive mods. Furthermore, using an editor to unlock everything at minute one often backfires—players report losing motivation instantly because there is no goal left.
: While the achievement * command is often disabled in Repentance to prevent accidental 100% unlocks, you can use debug commands (e.g., debug 10 for instant kills) to make difficult unlocks much faster. You need to beat Mother with Jacob & Esau
Close the game and turn Steam Cloud back on if desired, choosing to upload the local file to the cloud if prompted. Important Risks and Considerations
A save editor is a third-party tool (not made by Edmund McMillen or Nicalis) that allows you to directly modify your repentance.save file. Instead of grinding Greedier Mode for 50 hours, you can toggle achievements, add items, unlock characters, or even resurrect a dead save file.
If your edits disappear when launching the game, Steam Cloud is likely overwriting your local changes with an older cloud backup.