Need for Speed: Shift 2 Unleashed Ultimate Edition expands on the original game with additional content and enhancements. It includes all downloadable content (DLC) from the base game, such as new cars, tracks, and racing modes. The Ultimate Edition offers improved graphics and gameplay tweaks, along with the enhanced helmet camera for a more immersive racing experience. Players can enjoy a wide range of cars and tracks, both in career mode and online multiplayer, with a focus on realistic driving physics and detailed environments.