IGS classic arcade game is transplanted for the first time! Integrate 8 IGS popular arcade games into one piece. Support up to 4 people online combat! A collection of 8 IGS classic popular arcade games has made its debut, allowing players to recall their childhood memories! The collection includes multiple series of "Knights of Valour" games, and all support online multiplayer warfare. It also includes popular arcade games such as "Oriental Legend" and "Martial Masters". Titles included in the collection: - Knights of Valour: Superheroes - Knights of Valour Plus - Knights of Valour 2 – Nine Dragons - Oriental Legend - Oriental Legend: Spooky - Martial Masters - Demon Front - The Gladiator