Legend of K-1: The Best Collection is a single-player and multiplayer fighting game in which players engage in kickboxing matches, utilizing a variety of punches, kicks, and special moves to defeat opponents. In this game, players take on the role of martial artists competing in the K-1 tournament, aiming to become the champion through a series of increasingly challenging bouts. It stands out with its authentic depiction of kickboxing techniques, detailed character animations, and a range of fighters inspired by real-world martial artists, offering advanced gameplay elements such as combo systems and strategic move timing.