Secret Ending Sequence
Description: There is a secret ending sequence that can be unlocked.

How to unlock: To do so, collect each and every Secret Report in the game.

New Game+
Description: Unlock a New Game+ option that will allow you to replay the game after you have beat it once with many of your items, skills (and more) already obtained
How to unlock : Beat the game once and save your game after beating the game. Now, start a new game using your old save file.

Chapter Selection
Description: Unlock the option to play any chapter at any time

How to unlock: Complete the game once through and save your game after the ending sequence.