At a glance
Rocket League won’t run on a Mac: it is protected by anti-cheat Easy Anti-Cheat, which does not let it start on a Mac.
Steamstore
single player, multiplayer, co-opmodes
partialcontroller
Rocket League came out on Steam on 6 July 2015, made by Psyonix LLC.
Why it will not run
The anti-cheat Easy Anti-Cheat blocks the game on Mac. Uncork settings cannot fix that.
Can you play on a Mac another way?
Only in the cloud — for example GeForce NOW, if the game is there.