In the future, car are not going to use tires since they can already float on air. What's more, these cars also pack in some fire power that can destroy other vehicles. No, they are not just limited to projectile weapons as they could use thunder that allows them to become invincible for a few seconds.
The goal here is to destroy all the enemies on the road. You can either fire beam at them or use the thunder, which allows your car to become invincible for a short time. Doing some combos has its benefit since you can use the ray, which is the most powerful weapon of all.