Roughly 20% of games listed on Steam now carry an AI disclosure, according to a report from tech-insider.org, while rival PC storefronts operate without any equivalent disclosure requirement.

The figure marks the first meaningful measurement of how Valve's AI disclosure policy has reshaped storefront metadata since the company began requiring developers to declare generative AI use in their listings. Under the policy, studios submitting games to Steam must indicate whether their titles use pre-generated or live-generated artificial intelligence content.

What does the 20% figure change for developers?

For studios, the number establishes a practical baseline: one in five titles on the platform now ships with some form of AI declaration attached. Teams using generative tools in art, text, voice or code must account for that usage at the submission stage rather than after release.

The policy creates an asymmetry across the PC market. A studio shipping the same title on Steam and on competing storefronts currently faces disclosure obligations on one platform and none on the others, which affects how marketing copy, store pages and community messaging are drafted per channel.

Why does the platform gap matter?

Rival stores skipping AI disclosure leave publishers with a metadata inconsistency that complicates cross-platform releases. The same game can appear on Steam with an AI declaration while presenting no such information elsewhere, shifting the burden of transparency — or its absence — onto individual studios rather than platform holders.

For consumers and press tracking industry AI adoption, Steam effectively becomes the only major storefront generating usable aggregate data on generative AI penetration in shipped games. The 20% figure, as reported by tech-insider.org, is an estimate derived from store listings rather than an official Valve statistic.

What comes next?

Watch whether competing platforms introduce matching disclosure rules — and whether the 20% share climbs as more AI-assisted titles reach submission. Any enforcement change from Valve around inaccurate disclosures would be the first real test of the policy's teeth.