Marvel Ultimate Alliance 3 Save Editor May 2026

Click "Save As" and overwrite your savegame.dat. Put the SD card back in the Switch. Open JKSV, highlight MUA3, choose "Restore" and overwrite your existing save. Launch the game. Your heroes will now be maxed out.

Navigate to JKSV/MUA3/[Your Backup Name]/. Look for a file named savegame.dat. Copy this to your desktop. marvel ultimate alliance 3 save editor

You will need:

Boot your Switch into CFW (Custom Firmware). Open JKSV. Click "Save As" and overwrite your savegame