Valve Hit With Antitrust Suit Over Steam Store Game Market Share

Valve Corp., the owner of popular video game distribution platform Steam, is facing a proposed class action lawsuit, alleging its product’s dominant market share allows the company to charge excessive fees and hurt game developers’ incomes.

The complaint, filed Tuesday by Wolfire Games LLC in the U.S. District Court for the Western District of Washington, said Valve knowingly generated a monopoly and engaged in “predatory, exclusionary, and anticompetitive conduct, including but not limited to market-wide price controls, coercion of disloyal publishers, and defacto tying.”

Steam is the main driver of Valve’s monopoly, occupying over ...