When Steam asks about a file conflict, choose to to the cloud. Troubleshooting Common Save File Issues
You can still participate in Daily Challenges normally with a custom save file.
I can provide specific file directions or links tailored to your platform. Binding Of Isaac Repentance 1001 Save File
What are you using (Windows, Steam Deck, or Console)?
If you are looking to skip the grind or recover progress, you can manually install a pre-completed save file following these steps from Steam Community guides and technical wikis : When Steam asks about a file conflict, choose
This cannot be emphasized enough. If something goes wrong, you don’t want to lose hundreds of hours of legitimate progress.
Steam Cloud Utility frequently detects manual changes and overwrites custom save files with your old data stored on Steam's cloud servers. If your game launches and still shows your old progression, use this method to force Steam to accept the new file. Forcing Steam to Accept the New Save File Keep Steam open, but keep the game closed. What are you using (Windows, Steam Deck, or Console)
Play as complex characters like Tainted Lost or Tainted Jacob right away.
If the installer doesn’t work, you can manually download the save files from: https://github.com/Zamiell/isaac-save-installer/tree/main/saves/Repentance