Create a empty file named "data.no" in the "\falcom\release" folder to unlock Adol Christen as a playable character in Time Attack mode.
Bonus difficulty settings
Create a empty file named "data.ne" in the "\falcom\release" folder to unlock the Very Easy and Nightmare difficulty settings for Story mode and the Nightmare difficulty setting for Time Attack mode.
Time Attack mode
Successfully complete the game to unlock Time Attack mode for the character that was played.
Play as The Claw
Successfully complete the game with Hugo Fukt and Yunica Tovah to unlock The Claw.