Complex sentence: The difficulty was higher in this game; the developers used gameplay recordings in place of fully developed racer AI, so most racers had a perfect run and any mistakes made by the player would result in a quick loss of top racing positions.
Split into simpler sentences: The difficulty was higher in this game due to the developers using gameplay recordings in place of fully developed racer AI. So most racers had a perfect run and any mistakes made by the player would result in a quick loss of top racing positions.