Download Rocket League on the Epic Games Store, Get $10
From September 23 through October 23, 2020 at 11AM Eastern Time, everyone who downloads Rocket League on the Epic Games Store will receive a $10 Epic Coupon that can be used on qualifying* games and add-ons priced $14.99 and up.
https://www.epicgames.com/store/es-ES/news/rocket-league-is-free-to-play-on-epic-games-store-starting-september-23