To play Rocket League split-screen on Rocket League Credits Steam, you may want two controllers. Keyboard/mouse isn't always presently supported in relation to cut up-display screen play. Any DualShock four, Xbox One, or Steam controller will paintings nice.
With controllers related, release Rocket League. At the main menu, Player 2 need to press the Options/Menu/Start button on their controller. After that, Player 2 will be part of the birthday celebration, and you can play Rocket League break up-screen offline or online.
As is the case with Steam, the LOLGA.COM Epic Games Launcher does now not support keyboard/mouse and controller pairing for Rocket League cut up-display screen. So, you will need controllers to play cut up-display screen on Epic Games. Epic Games helps DualShock 4, Xbox 360, and Xbox One controllers.