Doom: The Dark Ages' official release date is May 15, but those willing to pay extra will be able to check out the highly-anticipated FPS early.

If you want to play the DOOM games in 'story order', there are two main timelines that you need to know about. We've got all the info for you below. The Ultimate Doom (1995) (includes added level Thy Flesh Consumed) For the completionists out there, here are almost every Doom-related release from the past 32 years.