Note: This game is also titled Bio Hazard HD Remaster. mode Successfully complete the game to unlock Once Again... One Dangerous Zombie mode Successfully complete the game with both Chris and Jill on the Normal or higher difficulty on the same saved game file to unlock One Dangerous Zombie mode.

Invisible Enemy mode Successfully complete Real Survivor mode to unlock Invisible Enemy mode. In this mode, zombified STARS member Forest Speyer will appear with grenades strapped to his vest. Real Survivor mode Successfully complete the game on the Normal difficulty to unlock Real Survivor mode. Rocket launcher Successfully complete the game on the Normal or Hard difficulty in less than three hours to unlock the rocket launcher with unlimited ammunition.

Samurai Edge Successfully complete the game on the Normal or Hard difficulty in less than five hours to unlock the Samurai Edge with unlimited ammunition.

Alternate costumes Successfully complete the game while rescuing two STARS members.

After the credits end, the phrase "You've got the special key" will appear on the screen.

Save the game, then start the game that was just saved.

Enter the room with the large mirror on the second floor of the mansion. Enter the closet, and go all the way to the end of the rack of clothes. Note: To change change costumes with Rebecca, first have Chris open the closet door with the Special Key.