Though not engine-specific, it can be used to scan and modify memory values in real-time while a Ren'Py game is running. Manual Script Editing: Advanced users can use the Ren'Py SDK
If you prefer not to use third-party software, you can edit game states manually: In-Game Console renpy save editor offline
There are several offline Ren'Py save editors available. Here are a few popular ones: Though not engine-specific, it can be used to
This generates a new file, usually 1-1_edited.save . Rename this to 1-1.save (back up your original first!). Though not engine-specific