CSR Classics is a free-to-play classic car racing game developed by NaturalMotion Games. The game is available on iPhone and is optimized for iPhone 6 and above, and iPad Air 2 and above. The game features over 50 classic cars, including models from BMW, Chevrolet, Dodge, Ford, Mercedes, Plymouth, Pontiac, Shelby, and more. The game allows you to restore your cars and transform them into gorgeous icons of driving. You can also take part in the "Clash of the Titans" races, where you can race classic car models against each other.

The game offers various challenges that allow you to take on the toughest drivers and gangs that own the city. However, the game may not be compatible with the 3rd or 4th generation iPod touch, iPad 1, and iPhone 3GS. The game contains items that can be purchased for real money, but these purchases can be toggled on/off in the "Restrictions" menu on your device. If you're a fan of classic car racing games, CSR Classics is definitely worth trying out.