Yes. Delete or rename your save file. The game will generate a fresh, locked roster.
If you just want to "get it to work" and play with everyone immediately:
Are you stuck on a specific character, or does your game not have the Options menu available?
If you tell me which platform and exact LNS Ultimate version you have, I can give exact, version-specific steps. final fight lns ultimate unlock all characters work
Based on your search query, it sounds like you are looking for a guide on how to unlock the full roster in the fan-made "Final Fight LNS Ultimate" (often part of the Final Fight LNS series by Logofero or similar OpenBOR mods).
In Final Fight LNS Ultimate, characters are usually unlocked through the Story/Arcade Mode or by completing specific challenges.
Here is the guide to unlocking all characters: If you just want to "get it to
Final Fight: LNS Ultimate is a fan-made remix of the classic beat ’em up. This guide explains how to unlock every playable character reliably and includes troubleshooting tips if a method doesn't work.
You will see videos claiming that pressing a specific directional sequence on the character select screen (e.g., Up, Up, Down, Down, Left, Right, Left, Right, A, C) unlocks everyone.
Let me save you time: That is fake. No such code exists in any official LNS release. Those videos are clickbait. Don’t waste your time. Are you stuck on a specific character, or
While the roster changes with version updates, here is the typical unlock path for the Final Fight roster:
