Complex sentence: The "sound.dat" consisted of the sounds that were used in the game, such as, the sound of the engine that was heard running, the squealing of the tires when going through a turn, and crash sounds hitting another car or a wall.
Split into simpler sentences: The "sound.dat" consisted of the sounds that were used in the game. The sound of the engine that was heard running, the squealing of the tyres when going through a turn, crash sounds hitting another car or a wall.