You can play Rocket League with a friend locally. To get started, you will need two controllers to activate the Split-Screen Feature.
- Connect all controllers
- Log in with Player 2's Xbox or guest account
- Launch Rocket League and while in the Main Menu
- Player 2 presses the Menu button on the controller in order to join the party
- Player 2 will then join the party and you can play any Offline or Online mode together