Most players don't know that the developers hid a debug menu specifically for testers. This is the safest method to unlock all characters without downloading external files, as it is built directly into the game (Version 4.0 and above).

How to activate the Debug Unlock:

Result: This usually unlocks all characters for the current session only. However, if you save the game state immediately after entering the code (Save State via OpenBOR menu), you can load that save permanently.

Before we dive into the unlocking process, let’s establish why you want to unlock everyone.

Developed by the Brazilian modding group "LNS Team," Final Fight LNS Ultimate (often updated to "Ultimate" or "Final" versions) is a complete overhaul of the classic Final Fight arcade engine (typically using the OpenBOR engine). The game features:

But the locked characters are the real draw. We are talking about characters like Zero from Mega Man X, Morrigan from Darkstalkers, Rock Howard, and even Terry Bogard.

For the purists, here is the step-by-step guide to unlocking characters without cheating.

If you don't want to mess with save files, advanced users create a Mod folder within the game directory containing a data.pak that overrides the shop values.

How to use a Character Unlocker PAK:

Warning: Using external PAK files can cause conflicts with version updates (e.g., going from v4.5 to v5.0). Ensure the unlocker is compatible with your specific build number.

If you're referring to "Final Fight: Street Fighter II Champion Edition" or similar, the method to unlock characters can vary significantly depending on the version of the game you're playing. Here are some general tips for unlocking characters in various "Final Fight" and Street Fighter games, which might help:

Once cheats are enabled, at the character select screen, press:

If done correctly, a chime will sound, and every character portrait—including secret boss characters—will be highlighted in white. This is the classic Final Fight LNS Ultimate unlock all characters shortcut.

In Final Fight LNS Ultimate, when you rescue a hostage in Stage 3 (The Subway), you can choose to release them or fight them. If you fight them and win, you unlock them.

When you finally unlock all characters, you aren't just getting the main cast. You are getting a who's who of 1990s arcade fighters. Here is a snapshot of the different "Classes" you unlock: