NTG is a NASCAR simulation based on the 2012 season which used the Gen-5 Cup car. Gen-6 2013 Cup cars were made available as DLC.
IndyCar Series is a 2003 racing game based on the 2002 Indy Racing League and Indianapolis 500 developed by Brain in a Jar and Codemasters. It includes 24 regular series drivers and two from the Indy 500 that year.