The official way to play for free is via the Epic Games Store (PC) or the official console stores.
Every hit depends on your speed, angle, and flip timing. Rocket League Free Download (v1.78 & ALL DLC)
In the modern version of Rocket League, "DLC" has changed. Classic packs (like the Supersonic Fury or Revenge of the Battle-Cars) are now integrated into the base game for everyone. The official way to play for free is
Replaces the ball with a heavy hockey puck on an icy floor. Rocket League Free Download (v1.78 & ALL DLC)
A seasonal tier system that unlocks new bodies, wheels, and decals as you play.
I can guide you on the safest way to find those items or set up the game!