https://www.pcgamer.com/doom-eternal-will-have-have-singleplayer-dlc/ > Speaking to Polygon at QuakeCon 2018, game director Marty Stratton confirmed that post-launch, there will be singleplayer DLC for Doom Eternal. "Absolutely," he said when asked about the possibility. > Doom didn't have any singleplayer DLC after its 2016 launch, and Stratton told Polygon that id Software is "already planning that."