Determining the “best” PC racing game is subjective and depends on individual preferences, including the type of racing experience one enjoys, whether it’s realistic simulation or more arcade-style gameplay. Here are some popular PC racing games across different genres:

1. For Realistic Simulation:
   • Assetto Corsa:
     • Assetto Corsa is known for its realistic physics and accurate car handling. It features a variety of cars and tracks, and its modding community adds additional content.
   • iRacing:
     • iRacing is an online-focused racing simulation platform. It is highly regarded for its realistic physics, competitive multiplayer, and a wide range of licensed cars and tracks.
   • Project CARS 2:
     • Project CARS 2 offers a realistic driving experience with a diverse selection of cars and tracks. It includes dynamic weather and day-night cycles for added realism.
   • rFactor 2:
     • rFactor 2 is a simulation-focused racing game known for its realistic physics and modding community. It features a variety of racing disciplines and dynamic weather.
2. For Arcade-Style Racing:
   • Need for Speed: Heat:
     • Need for Speed: Heat combines an open-world environment with arcade-style racing. It features an engaging story, customization options, and a diverse range of cars.
   • Forza Horizon 4:
     • While initially an Xbox title, Forza Horizon 4 is available on PC through the Microsoft Store. It offers an open-world racing experience with a dynamic weather system and a variety of cars.
   • Burnout Paradise Remastered:
     • Burnout Paradise Remastered is an arcade-style racing game with a focus on high-speed crashes and stunts. It features an open-world environment and various game modes.
   • Wreckfest:
     • Wreckfest is a demolition derby-style racing game known for its realistic vehicle damage and physics. It combines arcade elements with a focus on vehicular combat.
3. For Formula 1 Racing:
   • F1 2021:
     • F1 2021 is the official Formula 1 racing game that offers an immersive experience with realistic graphics, physics, and the full roster of F1 teams and drivers.
   • rFactor 2 with Formula Sim Racing Mod:
     • While rFactor 2 is a simulation platform, the Formula Sim Racing (FSR) mod provides an authentic Formula 1 experience with realistic physics.

These are just a few examples, and the “best” racing game for you may depend on your preferences for realism, gameplay style, and the type of racing experience you enjoy. It’s advisable to explore reviews, watch gameplay videos, and consider your own preferences before choosing a racing game for your PC.