Which gaming company first introduced a cross-platform marketplace that allowed players to buy, sell, and trade in-game items with real-world monetary value across multiple games?

The gaming industry has dramatically transformed retail experiences through virtual marketplaces, in-game stores, and digital asset economies. As virtual worlds evolve into complex economies, understanding the innovative retail strategies in gaming has become crucial for industry professionals. This trivia tests your knowledge about one of the most significant retail innovations in the gaming industry that changed how players interact with digital storefronts.

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Valve Corporation with Steam Community Market (2012)
Epic Games with Fortnite Item Shop (2017)
Roblox Corporation with Robux Marketplace (2006)
Blizzard Entertainment with Battle.net Auction House (2010)