I saw that you can change your fun value, So I'll need to access the game files but I'm not sure how.


The only way to do it is to load your Undertale Safe Files on an external harddrive and edit the Files on your Pc!

  • Step 1: Turn on TV and PS4
  • Step 2: Insert External Harddrive
  • Step 3: In the Main Menu, Go to "Settings"
  • Step 4: Click on "Application Saved Data Management"
  • Step 5: Select "Saved Data in System Storage"
  • Step 6: Select "Copy to USB Storage Device"
  • Step 7: Select Game to Copy
  • Step 8: Wait Until Transfer Is Complete and remove the harddrive
  • Step 9: Insert External Harddrive into your Pc and open up the Undertale folder

Open up undertale.ini with Notepad. Change the number listed next to "fun" into the desired number. Close the document, and save changes.

Then open up file0 with Notepad. Change line 36 of file0 in the same folder to the same number.

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    Have you tried this? If not how do you know that it works? I'm not saying it doesn't work but I'd think it wouldn't be as simple as opening notepad. – DJ Spicy Deluxe Aug 23 '19 at 15:05
  • @DJSpicyDeluxe nah, its the same on pc, and the files are the exact same, there's just the extra files to enable compatibility for controller etc, etc. the actual game files themselves are the same, and you would normally 'just open notepad' on a PC. – XxHarvzBackxX Aug 23 '19 at 18:17
  • @GoneBoyGone I would very much like to see some evidence such as a video or something...which could also improve this answer – DJ Spicy Deluxe Aug 24 '19 at 5:54
  • @DJSpicyDeluxe unfortunately I do not own Undertale PS4, but I own PC Undertale, so I would think it would be the same process tbh.. – XxHarvzBackxX Aug 31 '19 at 12:54

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