: For those playing on emulators, "100% Save Data" files are a popular way to bypass the grind and instantly access the full roster. Ultraman Fighting Evolution Rebirth – Cheats - GameFAQs
If you want the full roster without spending hours guessing, here is the complete unlock guide. ultraman fighting evolution rebirth unlock all characters
The primary way to unlock characters is through (Story Mode). This mode adapts specific episodes from the shows, but with a twist: achieving "Route A" (canon ending) or "Route B" (secret/alternate ending) determines who you unlock. : For those playing on emulators, "100% Save
Once you defeat Giga Khaiser in the Coliseum, he will be permanently unlocked for use in Versus and Battle modes. This mode adapts specific episodes from the shows,
Defeating Arcade Mode on difficulty unlocks one character per completion. Defeating Arcade Mode on Hard without continuing unlocks the "Dark" variants of characters. Defeating Arcade Mode on Very Hard with a perfect (no damage taken) final stage unlocks the secret boss: King Joe Black .
Here is the general progression: