IndyCar Series 2005 returns with a new season of high-speed racing, inviting players to join the world of professional IndyCar drivers. The game offers a range of play modes, including Quick Race, IndyCar Series, and the Indianapolis 500, allowing players to choose their preferred racing experience.
The gameplay is focused on speed and strategy, with a variety of tracks and drivers to master. Players can tweak and tune their cars, customize their driver profiles, and unlock new content through the "Trading Card Album". With up to 33 competitors on screen at once in multiplayer mode, friends can compete against each other offline or online using direct system link or internet connectivity.