Copy your existing files to a separate folder before making changes.
Win the fight to unlock the character.
In Yuzu, right-click Super Smash Bros. Ultimate and select Open Save Data Location .
Load back in, play another quick 1-stock match, and a new challenger will immediately appear. Method 2: Importing a 100% Save File (Technical Shortcut)
The fastest manual way to unlock characters—often taking less than 2 hours—involves resetting the game’s internal encounter timer.
If you prefer to skip the grind entirely, you can import a pre-completed save file containing all 74+ base characters.
Community forums like Reddit often host 100% save files.
Start a standard Smash match with a 1-stock rule. Once the match ends (even if you self-destruct), a "New Challenger Approaching" screen will usually appear.