The Binding of Isaac: Repentance Save Editor. A web-based save file editor for The Binding of Isaac: Repentance (and Repentance+),
Click Save File . Overwrite the original. Launch Isaac. Go to "Stats" > "Secrets." You should see the Godhead unlock pop-up immediately upon loading your save. The Binding Of Isaac Repentance Save Editor
The most popular and up-to-date editor for Repentance is (often just called "the save editor" by the community). The Binding of Isaac: Repentance Save Editor