GANTZ:O
- Annu: 2016
- Paese: Japan
- Genre: Science Fiction, Action, Animation
- Studio: Digital Frontier, TOHO
- Parolla chjave: hero, monster, game, adult animation, anime, 杀戮都市:o
- Direttore: Yasushi Kawamura, Keiichi Sato
- Cast: 梶裕貴, 小野大輔, 早見沙織, 市道真央, 小野坂昌也, 津田健次郎