Featuring a unique multiplayer fighting sport that lets you trade blows using extendable arms, this game includes elements of both boxing and shooting games, plus an all-new cast of characters. After customising a character with a variety of arms, the player holds one Joy-Con in each hand and throws left and right punches at the opponent. Characters can jump and dash, and players can bend their punches by twisting their hands as they swing. As players learn the game and improve their skills, they will discover a deeper level of advanced tactics. Players can compete against the computer, against a friend on a split screen using a second set of Joy-Con, against worldwide rivals online, or with two Nintendo Switch consoles over a local wireless connection.