GTR 2 is the "official simulation of the FIA GT championship" and uses the same physics engine as the first GTR game but adds special effects in the lighting and environment to add to the realism.
Like the first, GTR 2 is foremost a racing simulation. There are 144 cars from which to choose and 34 different track configurations. Choose from three modes of play: Novice, Semi-Pro or Simulation. Various racing experiences are offered from open practice sessions, driving schools, full race weekends, 24 hour races, championship races, to time trials.
A built-in multiplayer mode gives you the opportunity to race against worldwide opponents.