Here’s an overview of the Switch version, via Psyonix:
Winner of nominee of more than 150 ‘Game of the Year’ awards, Rocket League is a highpowered hybrid of arcade soccer and driving with rewarding physics-based gameplay. Take to the pitch for a fully-featured offline season mode, multiple game types, casual and competitive online matches, and special “Mutators” that let you change the rules entirely. Express yourself with one of the deepest customization systems around and battle opponents on other platforms with groundbreaking cross-network play!
Watch the announcement trailer below.