# Cheat modeAt any level loading screen, press Up(2), Down(2), Left, Right, Left, Right, Circle, X to display a "Cheats" option. Note: Enabling cheat options will prevent trophies from being earned and the game from being saved.
# Metal Gear Solid items
Successfully complete the game to unlock Solid Snake's bandanna and eye-patch for Gabriel.
# Paladin mode
Successfully complete a chapter or level on the Knight difficulty to be able to replay it on the Paladin difficulty. The Paladin difficulty also allows you to achieve 110% completion for each level.
# Vampire Wargame
Accept Laura's challenge in Chapter 6: Part 3 - Castle Hall, and solve the Vampire Wargame puzzle to unlock it at the "Extras" menu.
# East experience
In Chapter 1: Part 3 - The Dead Bog, kill the Swamp Troll to get 250 XP. Then, restart from the last checkpoint, and kill the Swamp Troll again to get another 250 XP. Repeat this as many times as desired.
