SANITY'S REQUIEM UNLOCKABLES

Follow the methods listed below to get the desired unlockable:

Endings - Beat game once and save clear data to unlock the ''Credits'' option

Stage Select - Carry over the saved data to a new game and beat the game a second time (select a different artifact in Roman Dude's stage) and unlock ''Jump to Game'' option

God Mode - Beat the game a third time to unlock ''Eternal Mode'' -- basically Invincibility. Eternal Mode is accessible from the Jump to Game option only

Secret Ending - Beat the game three times with each of the three paths, and you should see a special ending movie. Remember use your save data when starting a new game.