AI Game by Pieter Levels is a viral AI-powered flight simulator built in just three hours using AI coding tools. Created without prior game development experience, this 3D browser-based flying game quickly gained massive popularity, thanks to its multiplayer mode, real-time gameplay, and AI-assisted coding. After being retweeted by Elon Musk, it skyrocketed in engagement, reaching thousands of players and generating revenue through microtransactions. Developed with tools like Cursor, Grok 3, Three.js, and PeerJS, this project showcases the power of AI-driven game development and rapid innovation.