If you want to avoid the risks of custom firmware, you can unlock all characters legitimately in just a few hours using optimized gameplay loops.

Even for those who don't want a complete stranger's file, manual hex-editing of the "system_data.bin" file is possible for technical users, as outlined by GalaxyYT, who provided a hex screenshot to unlock characters while preserving the user's own World of Light progress .

If you are using an emulator (like Yuzu or Ryujinx) or a modded Switch, you can bypass the grind by importing a system_data.bin file from a 100% complete game.

The game has a hidden cooldown timer between challenger encounters. You can bypass this by restarting the game. mode and create a ruleset with The Match:

This guide explores the best methods to unlock everyone, how to use a 100% save file, and the risks involved. What is a 100% "All Characters Unlocked" Save File?

Unlocking all 89 fighters in Super Smash Bros. Ultimate is a massive time investment. If you want to jump straight into competitive local tournaments or casual multiplayer sessions with the full roster, using a 100% complete save file is the fastest solution.

As soon as you return to the main menu, press the on your controller and close the software completely. Relaunch the game and repeat the process. The World of Light Shortcut

Completing Classic Mode takes roughly 6 to 10 minutes per run and guarantees a specific character unlock branch. Following a Classic Mode unlock chart lets you target your favorite characters systematically.

: Relaunching resets the internal 10-minute cooldown, allowing you to trigger a new challenger immediately after your next 1-stock match.

If the risks above make you uncomfortable (and they should for most casual players), there are several legitimate ways to unlock characters much faster than the standard grind.

This comprehensive guide will explain everything you need to know about Super Smash Bros. Ultimate save files, how to install them, and alternative in-game methods to unlock the roster rapidly. Understanding Super Smash Bros. Ultimate Save Files

Completing the game's "Classic Mode" arcade ladder is the most reliable way to unlock characters. Each time you finish Classic Mode with a character (which takes roughly 7-10 minutes), you'll be challenged by a new fighter to unlock . There’s a set, non-random order to this, meaning you can strategically plan which characters to play as to unlock specific fighters next. By cycling through your unlocked characters one by one, you can methodically expand the roster.

After defeating the challenger, close the game completely and reopen it. This resets the timer for the next challenger, allowing you to unlock characters every few minutes.

Locate a trusted repository online to download the "all characters unlocked" save folder.

If the downloaded save file was created on an older or newer game update version than the one installed on your system, the game may refuse to read the data, resulting in a "Save data is corrupted" error loop. Always verify version compatibility before restoring data. Legal and Safe Alternatives: Fast Glitches