Kaido Battle 2: Chain Reaction is the second game in the Kaido Battle PlayStation 2 spin-off series of Shutokou Battle. Throughout the courses, the player can check the rival's info, sponsor's info, lover's info, change and tune up the car or check the prize. Cars can be bought new or in used cars shop, along with various parts for your car such as engine parts, air cleaner, turbo kit, cooling module, tires, and such. For aesthetics and dress up, things such as car color, wings, and other visual gadgets can be installed. Battle modes include Speed King mode, CA King mode and SP King mode. Additionally, two players can race in Versus battle on a split-screen.