Released as Rally Championship Xtreme for the PC, Warthog's Rally Championship for Nintendo GameCube features European rally racing from Africa to the Arctic. Drivers begin single-player mode with a standard Privateer car and, as they earn money, advance through 1600 and 2000 modified rally championships, and finally to the Pro Championship. Adjustable car settings include gear ratio, suspension, ride height, brake bias, brake power, tire types (gravel, tarmac, snow, ice), tire treads (weather-related), and tire compound (grip).

Players can choose from more than two dozen licensed vehicles, including cars from major manufacturers such as Ford, Subaru, Peugeot, and Mitsubishi. The six multi-stage rallies, featuring a total of 33 races, include the Scottish Rally, Rally Africa, Rally USA, Rally of Wales, Manx International Rally, and Arctic Lapland Rally. Multiplayer racing consists of eight stages, with two from Wales and Africa and one from each of the others.

Other options in Rally Championship include Quick Rally and Arcade modes. The Quick Rally portion allows practice at any unlocked stage, with the first stage of the RSAC Scottish Rally initially available. While finishing well in Career mode will unlock additional stages, an alternative method is to finish first in Quick Rally races. Arcade mode features a countdown timer, with additional time added as drivers pass checkpoints, and offers Amateur, Champion, and Pro difficulty levels. ~ Michael L. House, All Game Guide