Successfully complete the game to unlock the following bonuses.
Alternate costume
"History Of Resident Evil" option
"Infinite ammunition" option (must fully upgrade a weapon then purchase the unlimited ammo from the "Bonus Features" section with points)
Mercenaries mode
New Game+ mode
Play as Sheva Alomar
Professional difficulty
Successfully complete the game under the Amateur difficulty setting to unlock the "Classic Horror Filter" option.
Successfully complete the game under the Normal difficulty setting to unlock the "Retro Filter" option.
Successfully complete the game under the Veteran difficulty setting to unlock the following bonuses.
"Noise Filter" option
Professional mode
Infinity Rocket Launcher