NASCAR Fantasy is a game where fans create their own virtual racing teams using real-life drivers from the NASCAR Cup Series. Participants earn points based on the performance of their selected drivers in actual races, including factors like finishing position and laps led. Players can join leagues with friends or compete against others online. Each week, they can adjust their lineups based on driver performance and upcoming race tracks. The goal is to accumulate the most points throughout the season, making strategic choices essential for success in NASCAR Fantasy.