Blockchain games are creating a new paradigm in gaming by introducing open economies, player empowerment, and sovereign ownership of in-game assets, all facilitated by GameFi, which stands for "game finance." Unlike traditional games where assets are conditionally owned and often restricted by game publishers, GameFi leverages blockchain technology to tokenize in-game items, characters, and currencies, allowing players to trade freely and earn real money. This development addresses the friction and inaccessibility of previous gray markets by formalizing them through decentralized systems. GameFi's use of blockchain provides players with true ownership of their digital assets, enabling them to sell, trade, and use items without needing permission from game developers. Examples like Axie Infinity, Gods Unchained, and Sorare illustrate how GameFi integrates into various game genres, offering players additional incentives beyond entertainment. While GameFi introduces monetary incentives, its primary significance lies in empowering players to create tangible value from their virtual accomplishments, reshaping traditional views on digital asset ownership and player economies.