Physical Copies I found in BigW are around 39ish.. this is the cheapest I could find.
If you are into this kind of game.. then you are in for a treat..its only a 5.5G DL.
The Blurb:
Soccer meets driving once again in the award-winning, physics-based multiplayer-focused sequel to Supersonic Acrobatic Rocket-Powered Battle-Cars! Choose a variety of high-flying vehicles equipped with huge rocket boosters to score amazing aerial goals and pull off incredible, game-changing saves!The Xbox One version of Rocket League® includes:All "Game of the Year Edition" content, which packs every item from the previously-released DLC Packs, "Supersonic Fury, Revenge of the Battle-Cars," and "Chaos Run" into a single packageExclusive Battle-Cars: 16 Cars + 2 Xbox One Exclusives (The Halo "HogSticker," an alternate version of the Warthog, and the Gears of War "Armadillo"Insane Customization: Personalize your vehicle with hundreds of different items for BILLIONS of possible combinations!Awesome Arenas: DFH Stadium, Beckwith Park, Mannfield, Urban Station, Utopia Coliseum, and Wasteland (with multiple variants of most maps)Fantastic Multiplayer: 4-Player Splitscreen, 8-Player Online, Ranked and Unranked play, special Mutator-themed playlist(s), Private Match support (with named rooms and optional passwords)Cool Game Modes: Exhibition 1v1, 2v2, 3v3, 4v4, Unfair Mode (1v2, 1v3, 1v4), and Offline Season ModeMore Features: Replay Viewer, customizable controls, "Mutator" game-variant options (Ball Type, Ball Speed, Boost Strength, Max Score, Match Length, etc.)
Cheers