: Originally launched on Sony PlayStation 2 , Microsoft Windows , Xbox, and GameCube.

: The game introduced a robust garage mode where players could modify both performance and visuals using parts from over 52 real-world aftermarket brands, such as GReddy, HKS, and Enkei .

Unlike its predecessors, Underground focused exclusively on the import tuning scene, featuring 20 fully licensed tuner cars from manufacturers like Honda, Nissan, Toyota, and Mitsubishi.

: It introduced specialized events beyond standard circuits, including Drag (emphasizing manual shifting), Drift (focused on sliding for points), and Sprints (point-to-point races).

: The game is widely remembered for its "EA Trax" soundtrack, headlined by Lil Jon’s "Get Low," and its "motion blur" visual effects overseen by Habib Zargarpour, who previously worked on Star Wars: Episode I . Technical Overview

: This served as a narrative-driven career mode with 111 events, taking place at night in the fictional Olympic City .