Complex sentence: Much like "Mario Kart", cars have simple, arcade-like controls and feature items to be collected and subsequently used while racing, such as "speed boosts" or "projectile attacks".
Split into simpler sentences: Much like "Mario Kart", cars have simple, arcade-like controls. Within most races, the player can collect items which can then be used during the race, such as "speed boosts" or "projectile attacks".