Arguably one of the greatest open-wheel mods ever created for any simulator, CART Extreme brings the 1998 CART PPG World Series to life. Built by Patrick Giranthon and a team of dedicated modders, it features iconic drivers like Alex Zanardi and Greg Moore. The high-horsepower, turbo-boosted monsters require immense skill to tame, especially on oval tracks. 4. Formula Crosley / Spec Racer Packages

The turbo era brought to life, complete with sudden power delivery and fierce AI rivalries.

Many downloaded mods will feel inverted or numb. Editing the force multiplier or reversing the negative/positive values in this configuration file aligns the mod with your steering wheel hardware. SweetFX / Reshade Profiles

GameData (Contains the vehicle assets, sounds, and track models)

Drag and drop the extracted GameData and UIData folders directly into the root directory.