Ensure that you're using the same version of Ren'Py that was used to create the save file. You can check the Ren'Py version in the game/script.rpy file or in the Ren'Py launcher.
Ren'Py identifies "devices" (or distinct installations) using this unique string ID. renpy this save was created on a different device link
Ren’Py includes a security and stability feature. Each save file is cryptographically tied to: Ensure that you're using the same version of
This prevents:
But it also blocks legitimate save transfers between your own devices. This prevents:
Ren’Py ties saves to a unique device identifier (generated when the game first runs).
If you copy save files from another computer/phone/Steam Deck, the game sees the mismatch and blocks loading — unless the developer enabled multi-device support.
Tools like UnRen or rpatool can unpack the game and patch 00common.rpy to disable the check.