Complete the indicated task to unlock the corresponding character in any mode other than Story mode.
- Dan: Complete Story mode under the Hard difficulty.
- Lilith: Complete Story mode.
- Moritz: Complete Story mode.
- Shouki: Complete Story Mode under the Hard difficulty.
Unlocking characters quickly
Successfully complete the game under the Easy difficulty setting, but do not overwrite your saved game file. This unlocks two characters. Change to the Hard difficulty setting and select "Continue" instead of "New Game". Watch the ending sequence again, and two more credits will become unlocked.