Valve further enforced its ban on promotional advertising in games on Steam, expanding on previously established rules on the platform.

While the little regulation on Steam still allows for a lot, the most common freemium models from mobile gaming still are not welcome on the platform. "Developers should not utilize paid advertising as a business model in their game,

The site features a brand-new "Advertising on Steam" page, which differentiates between permitted and prohibited forms of in-game marketing. It's under that second header that Valve explicitly forbids developers from utilizing "paid advertising as a business model in their game.

In its Steamworks Documentation, Valve lays out what is and isn't supported for games available on its storefront. The goal is to prevent developers from using advertising to give players rewards, in-game items,