Instant Sports Tennis is a multiplayer and single-player sports and arcade game in which players engage in tennis matches using motion controls, mimicking the swing of a tennis racket with Joy-Cons. In this game, players can enjoy a variety of party-themed environments and mini-games, challenging their skills through stormy weather, wall-smashing Arkanoid-style gameplay, and gravity-based challenges, all set within a lively, family-friendly atmosphere.