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Saber finally adds AI disclosure to Rideshare Stimulator amid CEO's public feud with a former writer who claims she was replaced by ChatGPT

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Rock Paper Shotgun
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TDGN Brief

Saber Interactive has added an AI disclosure to the Steam page of Rideshare Stimulator, following a public dispute between CEO Matt Karch and former writer Stella Sacco, who claims she was replaced by ChatGPT. The label reveals AI is used for voice generation, some localization, and procedurally generated content in the game's Free Ride mode.

Saber Interactive has updated the Steam page for its upcoming driving sim Rideshare Stimulator with an AI disclosure, ending a three-day public feud between CEO Matt Karch and former writer Stella Sacco. The disclosure, now visible at the bottom of the store page, states that the main campaign story, characters, and dialogue were written by human writers, but AI tools are used for voice generation and some localization. It also notes that the optional Free Ride mode includes AI-generated passenger missions and localized dialogue, separate from the main campaign.

The update follows Sacco's August 11 Bluesky post, where she claimed she was the lead writer on the game and was replaced by ChatGPT midway through development, with all passenger voices being AI-generated. Karch responded on August 13, asserting that Saber always intended to reveal its AI usage and that Sacco was terminated for other reasons, adding, "I would frankly in retrospect have been happy to replace her with AI." Karch initially suggested the disclosure would only be added once the game was finalized, but the developer changed course.

The dispute highlights ongoing tensions in the games industry over AI use and transparency. Sacco's allegations, combined with Karch's combative response, drew widespread attention, prompting Saber to act sooner than planned. The disclosure clarifies the extent of AI involvement, though it does not address Sacco's broader claims about her termination.

Coverage of the story was led by Rock Paper Shotgun, which first reported the disclosure and noted that AI is also used for in-game music. GameSpot and GamesRadar+ followed, focusing on the contentious exchange between Sacco and Karch. All outlets agree on the core facts, with no conflicting accounts.

  • Saber added an AI disclosure to Rideshare Stimulator's Steam page after a public feud between CEO Matt Karch and former writer Stella Sacco.
  • The disclosure states AI is used for voice generation, some localization, and Free Ride mode content, while the main campaign was written by humans.
  • Sacco claimed she was replaced by ChatGPT; Karch said she was terminated for other reasons and that AI disclosure was always planned.
  • The update came sooner than Karch initially indicated, following widespread attention to the dispute.

This synthesis was derived and curated on the fly by TDGN’s newsroom from 3 outlets’ breaking reports, and updates automatically as coverage develops. It may contain errors — the outlets’ original reporting is linked below.

Who reported it, and when

  1. first Rock Paper Shotgun Rideshare Stimulator finally gets its genAI disclosure after much Saber-rattling, and it turns out the game also uses the tech for in-game music
  2. +4h GameSpot Rideshare Stimulator Outlines AI Usage After Contentious Exchange With Ex-Writer
  3. +6h GamesRadar+ Saber finally adds AI disclosure to Rideshare Stimulator amid CEO's public feud with a former writer who claims she was replaced by ChatGPT

This page records how the games press covered one story. The reporting belongs to the outlets listed; every headline links to the original. Counts update as more outlets publish. The article itself follows below.

Steady3 outletsfirst: Rock Paper Shotgun

Saber finally adds AI disclosure to Rideshare Stimulator amid CEO's public feud with a former writer who claims she was replaced by ChatGPT

The saga between former Saber Interactive writer Stella Sacco and Saber CEO Matt Karch reaches day three with hardly any progress as Sacco maintains she was fired and replaced with AI, and Karch summons all the antagonism in the galaxy to say she's mistaken. Only one aspect of the spat between them has been resolved: Saber finally added an AI disclosure label to upcoming driving sim Rideshare "Stimulator" on Steam.

Sacco initially wrote in an August 11 Bluesky post about the game, "I was lead writer on this one! And Saber replaced me with ChatGPT midway through development. All the passenger voices were AI too. Either they changed direction at some point or they're not disclosing it on Steam." Karch then hit back on August 13 to say "it was always [Saber's] intention to reveal" its AI usage, and that Sacco was actually "terminated for a variety of reasons," though "I would frankly in retrospect have been happy to replace her with AI." Right. Well, though Karch suggested Saber would only update the Rideshare "Stimulator" Steam page with an AI disclosure "once it's finalized," the developer apparently had a change of heart.

Now, the bottom of the Rideshare "Stimulator" Steam page explains, "The main Campaign story, characters, and dialogue are written by a team of human writers. AI tools are used for voice generation and some localization.

"The optional Free Ride mode includes AI-generated passenger missions and localized dialogue. Free Ride mode is separate from the main Campaign and can be skipped by players who prefer to experience only human-written narrative content."

This broadly lines up with statements from both Karch and a Saber representative, who told GamesRadar+ earlier this week, "Rideshare's story was written entirely by real people. The game will also feature an experimental, free-ride mode that by necessity incorporates AI as the number of passengers in the game is infinite."

Old man stares at the camera from the backseat of a car
(Image credit: UNIGINE)

But this new Rideshare "Stimulator" Steam disclosure also reveals "a mix of radio stations featuring human-made music and AI-generated music. Stations containing AI-generated music are clearly labeled as such in the game." So my calculations tell me, that's a lot of AI content. Players and critics alike have discredited other games for less, like when Clair Obscur: Expedition 33 had its Indie Game Awards wins retracted in 2025 for launching with some AI-created textures.

Sacco comments on the new Rideshare "Stimulator" disclosure on Bluesky, writing, "It's even worse than I said it was. I can see why the CEO crashed out when I pointed it out."

It's certainly curious that Saber didn't want to reveal its AI usage sooner considering the scope of it, though fellow hyperactive driving sim Crazy Taxi: World Tour received tornado-wind levels of blowback over its own AI-assisted production so, maybe that's why. But I'd like to remind developers that a good way to avoid controversy over your generative AI usage is to actually not use generative AI. GamesRadar+ recently found out this is also the advice a lawyer would give; video game lawyer Haley MacLean recently told us that she wants studios to know, "Don't touch [gen AI]. It's not worth the legal liability that it brings to you."

That said, Karch claims in a new interview with IGN that Saber isn't "shying away" from its AI usage in Rideshare "Stimulator." He says, "It required us adding two writers and multiple coders to work with AI tools to try and get a reasonable result. Maybe we are bad at business but the net cost of incorporating these features was significantly higher than leaving them out."

He is confident that "AI can and should help shape gamer experiences," though "my PR team is always terrified by even broaching the subject."

"It's not and has never been about efficiencies and team reductions," Karch concludes. Nonetheless, Sacco hasn't budged in her version of events, writing on Bluesky, "Everything I said was true." She maintains that Karch's cynical statements were inappropriate, "and combined with the AI use it will do far more damage to Saber's reputation than it ever could mine." No need to ask ChatGPT if that's true – it sounds right to me.

"It creates lesser games": Indie game studios are supposed to love generative AI, so why do the 25 devs I spoke to avoid it?

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