"[1] The game was also to feature various multiplayer modes along with its single player campaign, including co-operative play, deathmatch, and more.

HOXAR, a company that specializes in virtual and alternate reality technology, has created the HoloSims, a device that simulates another world to its user.

After an encounter with the HoloSims device, Sonora begins to have a difficult time separating simulation from reality.

[7] Romero announced the game's title as Blackroom, on April 25, 2016, and started a Kickstarter crowdfunding campaign with an aim of $700,000 to be reached in 32 days.

[9][10] In Romero’s 2023 autobiography, “Doom Guy: Life in First Person”, he confirmed that while a demo existed and was shown to publishers, the game was cancelled.