HUNTINGTON BEACH, Calif. (February 4, 2026) - Spike Chunsoft, Inc. today announced Roguelike RPG Shiren the Wanderer: The Mystery Dungeon of Serpentcoil Island Plus is available now for iOS and Android devices. Shiren the Wanderer: The Mystery Dungeon of Serpentcoil Island Plus includes, at no additional cost, all feature updates and additional content that were previously offered as paid add-o...