Greasy Fork is available in English.
Allows you to backup your save data for the Papa's series of games on coolmathgames.com
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Papa's Save Manager (PSM), formally known as PBSM is a userscript which allows you to backup save data for the Papa's series of flash games hosted on coolmathgames.com. Backing up saves allows them to be restored in the event that browser data is accidentally/ unintentionally cleared, or if you wish to play the game on another browser or device.
The number of supported games is expected to increase with each new version.
Further info and documentation available on GitHub