Computer Games - What other single player gameplay modes will be featured in the game? James Hawkins - NASCAR SimRacing includes three single player game modes: Testing, Race Now & Season. Testing allows the player to practice without any other drivers at the track. Race Now allows the player to take part in single races. Season mode allows the player to take part complete seasons following the real life schedule. In the NASCAR SimRacing season mode, the player may elect to enter as either a driver or owner/driver.