: You must extract the contents of the .rar archive using a tool like WinRAR or 7-Zip . Attempting to run the game directly from within the compressed folder can cause permissions issues, such as the game being unable to create save files.
: Tools like DeckMTP allow your Deck to be recognized as a USB drive when plugged into a PC. Download tako rar
Does it create a save file in the first place? Try saving the game, then look in the game folder for a save file. If there is one, : You must extract the contents of the