Unlockables Unlockables. Meet certain conditions to unlock various secrets in this game. You will be prompted to save the game after the completion of the game. UnlockableHow to Unlock Extra Characters in Multiplayer ModeComplete the game with A rankings in all missions on each game's difficulty. Any characters with "New" on it means s/he's unlocked. Extra OptionsComplete the game once. In the "Extra Options" mode, you can access all BGMs and Movies used in the game. Shadow Stalker DifficultyComplete the game once. Start a "New Game" and select the hardest difficulty level "Shadow Stalker" will be unlocked.
