Revival series (2013–present)
After the 2013 scrapping of the Doom 4 project, Willits stated that the next game in the Doom series was still the team's focus. Hugo Martin was hired as creative director that year and would go on to be a key figure in the revived franchise. The game was announced simply as Doom in 2014. It was released to generally positive reception in 2016, with a glory kill mechanic and additional platforming manoeuvres among the main gameplay additions. The game's multiplayer mode received three small downloadable content releases over the course of the first year, and all three were then released for free with the 6.66 update on July 19, 2017.
The 2016 series was not originally described as a continuation or origin story of earlier games, however plot details in the sequel Doom Eternal and commentary from Martin would later describe it as a continuation of the classic series. The 2020 re-release of Doom 64 included an expansion entitled The Lost Levels, intended "to connect 'old' Doom to 'new' Doom".
A VR spinoff entitled Doom VFR was released in 2017 to generally positive reception. The game features a single-player campaign, and reused enemies and other assets from the 2016 game. The game would be the last Doom title under Willits' leadership, ahead of his departure in 2019. 2018 marked the 25th anniversary of the franchise, and saw the Doom Slayer included as a playable character in id Software's Quake Champions. That year, John Romero announced Sigil, an unofficial "fifth episode" of the original 1993 game. The episode was released for free via Romero's website in 2019, with a paid version available that included a soundtrack by guitarist Buckethead. While Sigil was developed independently, Bethesda added the episode to the console ports of Doom as a free patch in October, alongside the two chapters of Final Doom.
The next main entry in the franchise, Doom Eternal, was directed by Hugo Martin and released in 2020. The title sold very well, generating $450 million in revenue over the first year; double the launch revenue of the previous title. Some commentators cited the timing of the release, which coincided with a wave of interest in gaming worldwide amid restrictions on social gathering during the COVID-19 pandemic. The game was made in id Tech 7, which afforded numerous technical improvements over the id Tech 6 engine used by its predecessor. An expansion of the game, The Ancient Gods, was released in two parts, one in October 2020 and the other in March 2021.
Romero confirmed in August 2021 that a second Sigil expansion using the Doom II engine was in development. In March 2022, he released a new Doom II level entitled One Humanity. The proceeds from the level were donated as humanitarian aid for Ukraine amid the Russian invasion. The level was the first for Doom II designed by Romero since 1994, and raised 25,000 euros by March 7. Romero released Sigil II in 2023 and was critically acclaimed. Like its predecessor, Id Software made the chapter freely available through the add-ons menu of the console ports of Doom and Doom II. A spin-off for mobile platforms Android and iOS, Mighty Doom, was developed by Alpha Dog Games and released in March 2023. Microsoft announced that it was shutting down Alpha Dog in May 2024; this resulted in the discontinuation of Mighty Doom in August.
In August 2024, id Software in collaboration with Nightdive Studios and MachineGames released Doom + Doom II, a "definitive rerelease" of all the pre-Doom 64 games alongside Sigil and a new 2 episode expansion pack called Legacy of Rust. The release features new enemies and weapons.
In March 2021, Hugo Martin discussed some directions future Doom titles could take, discussing time travel or a game set in the time span between Doom 64 and Doom (2016), when the Doom Slayer "first came to that place with the Sentinels, almost like a more medieval setting". An internal ZeniMax presentation, dated to 2020 and released as part of the FTC v. Microsoft case in 2023, indicated that a game entitled Doom: Year Zero was in development at that time, with a projected release in FY2023. DLC for the title was also marked for 2023 and 2024. The document was produced prior to Microsoft's acquisition of ZeniMax in 2021, but the game remained in production and was revealed at the 2024 Xbox Games Showcase as Doom: The Dark Ages.