The video game industry has undergone several economic evolutions. Traditional models relied on one-time purchases or subscriptions. The rise of digital has introduced microtransactions and free-to-play games funded by in-game purchases. With blockchain, new systems have emerged. Play-to-Earn (P2E) allows players to earn crypto or NFTs while playing, whereas Play-and-Earn (P&E) focuses on entertainment while offering optional rewards. These models are transforming the player experience and the economy of video games. This article explores their differences, advantages, and limitations. It also analyzes their impact on the industry and the challenges they must face.