An experiment by ARMS Laboratories, the leaders in ARMS research! In addition to his arms, his whole body is stretchy—and his signature ARMS are just as weird. He's secretly entered the Grand Prix to prove the merit of the lab's latest research!
*Nintendo Account required. Nintendo Switch Online membership (sold separately) and Nintendo Account required for online play. Not available in all countries. Internet access required for online features. Terms apply.
Additional games, systems and some accessories required for multiplayer mode. Sold separately.