WinBack 2: Project Poseidon Completion bonuses
Successfully complete the game to unlock the Shadow Stalker difficulty setting and “Extra Options” selection, which allows all BGMs and movies from the game to be played.
Bonus multiplayer characters
Successfully complete all missions with an “A” rank on all difficulty settings to unlock bonus characters in Multiplayer mode.
The image featured at the top of this post is ©The Legend of Heroes: Trails of Cold Steel III key art / Original