Web3 marks a significant transformation of the Internet. It relies on decentralized technologies like blockchain to provide users with greater autonomy. This approach alters data management and strengthens digital ownership. In the video game industry, Web3 introduces innovative platforms and games. These new infrastructures grant players complete control over their assets and allow for the emergence of open virtual economies. Web3 games disrupt traditional models by integrating NFTs, cryptocurrencies, and smart contracts. This article analyzes these advancements, explains how they work, and examines their influence on the future of gaming.