Its founding writers and artists, who are exclusive to the company, are Brad Meltzer, Jason Fabok, Gary Frank, Bryan Hitch, Geoff Johns, Francis Manapul, Peter J. Tomasi, Lamont Magee, Maytal Zchut, Brad Anderson and Rob Leigh[1][2] At its launch, the creators stressed that unlike the work they had done in the past for publishers such as DC Comics, the books of the four shared universes established by the company's first official release in January 2024, Ghost Machine #1, would not be set in the superhero genre,[3] but in other genres such as science fiction, historical fantasy, post-apocalyptic fiction, and horror.

[1] The group ownership of the imprint's properties is reflected in the editorial page of its inaugural publication, Ghost Machine #1, under the headline "Welcome to the First Fully Shared Creator-Owned Universes!"

"[3] The company's launch schedule was to commence with Geiger: Ground Zero, a two-issue series by Johns and Frank released in November 2023 that serves as a prequel to their 2021 miniseries of the same name.

This would be followed in January 2024 with the company's first "official" release,[5] Ghost Machine #1, a 64-page special, and then that April with a series of books that would comprise "four shared universes of character-centered titles.

[10][11] On December 6, 2023, media sources reported that Danish artist Peter Snejbjerg would be joining Ghost Machine in an exclusive capacity, as its eleventh creator.

[6] In May 2024, it was announced that colorist Brad Anderson and letterer Rob Leigh had signed exclusivity deals with Ghost Machine[15] The Unnamed universe centers upon "a mysterious group of heroes across history",[5] including the continuing adventures of Geoff Johns and Gary Frank's previous creations, Geiger and Junkyard Joe.

[16] Its titles include: Rook: Exodus — This series by Johns, Jason Fabok and Brad Anderson is described by Ghost Machine as a "sprawling sci-fi epic which takes place in the far future, on a world where every aspect of nature is controlled by humanity".

[3] Hyde Street — This horror-based universe was co-created by what Ghost Machine indicated at the 2023 New York Comic Con launch was a prominent artist who was under contract with another publisher,[5] and whose identity would be announced at a later date.