Tim Sweeney criticized Valve over Steam's "irresponsible" AI policy

Tim Sweeney, CEO of Epic Games, publicly criticized Valve in an interview with PC Gamer. He called Steam's policy toward generative AI "very irresponsible" and urged the entire gaming industry to reconsider its relationship with the technology. According to Sweeney, the problem isn't just Valve — there's too much fear of AI in game development as a whole.

What's wrong with Valve's approach

Steam has spent years building increasingly strict rules for AI content. The platform requires developers to disclose exactly which generative tools were used to create a game — whether for art, music, dialogue, or code. Content generated in real-time during gameplay faces even stricter requirements: Valve examines such cases separately, assessing risks of copyright infringement and production of unwanted materials.

According to Sweeney, the issue isn't the rules themselves, but the signal they send. Steam is the world's largest PC store, and its position automatically becomes a benchmark for the entire industry. When the leading platform views AI with suspicion, publishers, investors, and other platforms follow suit and take a cautious stance. This creates a chain reaction of caution where confidence is needed. That's why Sweeney chose the word "irresponsible" rather than "cautious": in his view, this isn't about balanced prudence, but about unwillingness to take leadership at a critical moment for the industry. The technology is already here — the question is only who will learn to use it correctly first.

How Steam's policy works in practice

Valve distinguished between two types of AI content with different requirements:

• AI in development — textures, models, scripts, voice-overs. Disclosure is mandatory, no direct ban.
• Real-time AI — content generated during gameplay. Requires separate Valve approval.
• Games with undisclosed AI use can be removed from sale after review.
• Ambiguous cases take longer to review — this delays release.

For large studios with legal teams, all of this is manageable. For indie developers — it's a serious barrier: many openly say they avoid AI tools just to avoid publication problems on Steam. The platform's policy effectively restrains experimentation with the technology — exactly what Sweeney warns about.

Epic's position: a different vector

Epic Games actively integrates generative AI into Unreal Engine. Available tools include procedural texture creation, animation generation, character voice synthesis, and rapid level prototyping using neural networks. Beyond this, Epic develops AI assistants for shader writing and automatic filling of game worlds with environmental details. The company views the technology as a way to lower the barrier to entry in development. A small team of five people with Unreal Engine's AI tools can create what previously required dozens of specialists and years of work. This fundamentally changes the economics of game development.

Epic Games Store, for its part, does not impose restrictions on actual AI use. Sweeney consistently advocates for accepting generative technologies as a tool for creators, not as a threat to authors.

What this means

A public critique by one of the industry's leaders reflects a growing split in game development. Some companies view generative AI as a legal and reputational threat — and build barriers. Others see it as a competitive advantage — and build pipelines. Steam's position carries particular weight because the platform controls access to the world's largest audience of PC gamers. Until Valve reconsiders its approach, developers will avoid AI tools — not out of conviction, but out of pragmatism.