ILLBLEED UNLOCKABLES
Mini-game
Finish the game. Then, highlight the "Options" select at the main menu and press X + A + Start.
Best ending
Finish the game after saving all your friends.
Worst ending
Finish the game after saving none your friends.
Eriko wearing just her underwear
Finish the game, then play through again. Do not rescue anyone while playing the game. Eriko will lose a piece clothing with each friend that is lost. Eriko will be in her underwear by level 6.
Hidden Boss battle
Finish the game, then play through again. Do not save any of your friends during the second game to eventually fight Michael Reynolds.