Games Workshop investigated its own staff over AI concerns after six-fingered Space Marine controversy

Games Workshop CEO Kevin Rountree confirmed in the company's latest financial report that the studio investigated several marketing image errors this year to make sure no staff had used AI — and says the investigations cleared everyone.

The most visible incident was a piece of Horus Heresy artwork published on the Warhammer Community website showing a Space Marine in MkIV Maximus armor with six fingers. Games Workshop addressed it directly on Facebook, explaining that the Horus Heresy art style — used since the game's first edition in 2012 — involves blending miniature photography with painted art to create dramatic scenes. That process introduced the extra finger, not an AI tool. The statement asked fans to "go easy on our artists. They are only (and completely) human." Rountree's financial report language was more formal but consistent: "We have made a few human errors on the depiction of our products in our product marketing in the year, they were investigated fully to ensure that AI had not been used and that all our staff are following our internal policies."

The scrutiny matters because the Warhammer 40,000 community has an unusually strong attachment to its official art. The grimdark aesthetic of the setting was shaped over decades by artists like the late John Blanche, and that hand-crafted visual identity is baked into the culture — including the expensive codex rulebooks fans buy partly for the artwork inside. Games Workshop moved to get ahead of the issue in January 2025, banning AI from both its content production and design process and stating that none of its senior managers were enthusiastic about the technology. Any credible suggestion that official art had been AI-generated was always going to land badly with this particular fanbase.

Rountree's report reaffirmed that stance, though he also acknowledged that AI is now automatically embedded in many third-party tools the studio uses — a nuance the community will likely keep watching closely. For now, Games Workshop says its internal policies are being followed and the investigations found no violations.