It’s something more daring… and brutal. As shown during the Xbox Developer_Direct 2025 live stream, Doom: The Dark Ages is a prequel to Doom 2016 that delves deeper into the game’s lore.

The IDKFA trademark was filed back in January of this year, so it has something to do with the next game or the Doom Year Zero DLC that popped up in leaked internal Xbox documentation.

Bethesda and id Software parent Zenimax Media has trademarked the classic Doom cheat 'IDKFA', adding fuel to rumors that a new game in the landmark FPS series will be revealed imminently.