Unlock Credits
Complete the game once to unlock the 'Credits' option.

Unlock Jump to Game
Complete the game twice (select a different artifact in Roman Dude's stage) using the same saved game file to unlock the 'Jump To Game' option.

Unlock Eternal Mode
Complete the game three times using the same saved game file to unlock Eternal Mode under the 'Jump To Game' option.

Alternate Ending
Complete the game 3 times using your same saved game data when starting a new game each time to view a alternate ending movie when the game is completed for the third time.

Go to: Eternal Darkness: Sanity's Requiem Info Page | nGaming Home Page.