Saber Adds AI Disclosure to Rideshare Stimulator After Writer Dispute

Saber Interactive has updated the Steam page for its upcoming driving sim Rideshare Stimulator with a formal AI usage disclosure, ending one small piece of a messy and ongoing public argument between company CEO Matt Karch and former contracted writer Stella Sacco, who says she was let go and replaced by ChatGPT partway through development.

How the Feud Started

Sacco kicked things off on August 11 with a Bluesky post calling out Saber for, in her view, swapping her out for AI tools and failing to disclose that on Steam. According to GamesRadar, she wrote that she had served as lead writer on the project and that passenger voices in the game were also AI-generated. Karch responded two days later, denying the characterization and stating that Sacco had been “terminated for a variety of reasons.” He added, pointedly, that he would “frankly in retrospect have been happy to replace her with AI.” The exchange drew significant attention and put pressure on Saber to be more transparent about exactly how it was using generative tools in the game.

What the Disclosure Actually Reveals

Saber’s Steam page now carries a breakdown of its AI usage, and the scope is notable. As reported by PC Gamer, the disclosure states that the main campaign’s story, characters, and dialogue were written by human writers, but that AI tools handle voice generation and some localization work. The optional Free Ride mode goes further, using AI-generated passenger missions and localized dialogue entirely. Additionally, the game features a mix of radio stations, some with human-made music and some with AI-generated tracks, with in-game labels identifying which is which. Karch did not back away from the studio’s position, telling outlets that AI can and should help shape player experiences.

A Saber representative had told GamesRadar earlier in the week that the campaign story was written entirely by humans and that the free-ride mode required AI because its passenger count is essentially infinite. The new Steam text aligns with that framing, though it adds the music disclosure on top of what had previously been communicated.

Sacco’s Response and Industry Context

Sacco was not mollified by the update. After the disclosure went live, she posted on Bluesky that the situation was “even worse” than she had initially described, and suggested the CEO’s aggressive public response made more sense in that light, as GameSpot noted. The disclosure comes at a time when the industry is increasingly scrutinizing AI use in shipped products. Earlier in 2025, Clair Obscur: Expedition 33 had award wins pulled after it launched with some AI-created textures, showing that even minor undisclosed AI usage can carry real consequences for a studio’s reputation.

Sources: GamesRadar, GameSpot, PC Gamer