Rocket League Alpha was a early version of Rocket League which was heavily incomplete and lacked features. It was available for download on Steam and it was playable for a certain period in 2014. On August 23, 2013, Psyonix announced that they were working on a new game called Battle-Cars 2, and announced that a playable Alpha version would be coming to Steam in 2014, You would either need to Sign up for the Alpha or a Friend to give you an invite key. Servers were shut down on August 10, 2014 t
Rocket League Alpha, Rocket League Wiki
I couldn't get the alpha/beta rewards of rocket league, but after years of trading i finally managed to get myself a full set! :) : r/RocketLeague
Alpha Boost in Rocket League: What Is It and How Much Does It Cost?
Rocket League Wiki
Rocket League Sideswipe
Rocket League Sideswipe
Goldstone (Alpha Reward) (Goldstone) Wheels
Rocket League Alpha, Rocket League Wiki
Rocket League - Wikipedia
Rocket League - Painted Alpha Boosts
How to get Rocket League Alpha Boost: Item cost & rarity explained - Dexerto
Rocket League - Wikipedia
Dominus GT - Liquipedia Rocket League Wiki
Rocket League Alpha Gameplay