Complex sentence: The technique is often used in kart and combat racing games, most of which feature weapons to attack other drivers; as such, it prevents players in the lead from putting enough distance between them and the opponent behind them to get out of firing range.
Split into simpler sentences: The technique is often used in kart and combat racing games, most of which feature weapons used to attack other drivers. As such, it prevents players in the lead from putting enough distance between themselves and trailing opponents to get out of firing range.