地獄楽 パラダイスバトル is a survival RPG available on iPhone, immersing players in a beautifully eerie world inspired by the anime 'Jigokuroku.' Players engage in continuous battles against grotesque monsters and powerful 'Tenshin' beings, gathering allies to survive in a mysterious island setting. The game features an original story, voiced characters, and dynamic battles, all underpinned by the animation style of the series.

The gameplay emphasizes strategic party formation, utilizing various skills like ninjutsu and unique techniques to overcome challenges. As players deepen their bonds with allies, they unlock special titles and items, enhancing the co-op experience. The game is designed for iOS 14.0 and later, requiring at least 3GB of memory, and is currently available only in Japanese.