"Need for Speed: Underground" is a racing video game released in 2003, part of the popular Need for Speed franchise. It focuses on illegal street racing and car customization, allowing players to modify their vehicles with various performance upgrades and visual enhancements. The game features a story mode where players compete in races to earn respect and unlock new cars and parts. Set in a fictional city, the game offers a variety of race types, including circuit races and drag races. Players can choose from a wide range of licensed cars from manufacturers like Nissan, Toyota, and Subaru. The game's underground culture and vibrant visuals contributed to its popularity and critical acclaim.