Super Smash Bros Ultimate Unlock All Characters Yuzu Repack ~upd~ 〈Confirmed × COLLECTION〉

If you prefer to "earn" them but want to move as fast as possible, you can exploit the game's challenger logic:

Alternatively, you can download a 100% complete save file from community forums and replace your save_data folder in the Yuzu directory. 2. The "Quick Reset" Gameplay Method