I did make a
You must be registered to see the links
that can convert an entire directory. It might be a
tad too complicated for what it does, so I didn't post it, but if you want it, here it is.
Just save that into a .ps1 and call it - it takes the save directory as parameter, as documented inside.
What it does is just take every save in the given directory, dump them into JSON using WolfSave, just change the game name variable, and put the JSONs back into their respective save files in a subdirectory.
You still have to move the saves to the relevant game afterwards.