Ultraman
Monster World mode
Successfully complete the game in story mode to unlock Monster World mode.
Monster Grave mode
Successfully complete the game in Monster World mode to unlock Monster Grave mode.
Violence Rock mode
Successfully complete the game in Monster Grave mode (all monsters) to unlock Violence Rock mode.
Ultraman Returns mode
Successfully complete the game in in Violence Rock mode with the top score to unlock Ultraman Returns mode.
Survival mode
Successfully complete the game in Ultraman Returns mode to unlock Survival mode.
The image featured at the top of this post is ©The Legend of Heroes: Trails of Cold Steel III key art / Original