| Chōjiken Game Neptune The Animation ~Dengeki Comic Anthology~超次元ゲイム ネプテューヌ The Animation～電撃コミックアンソロジー～ | Manga | Japan | Completed | |
| Chōjiken Game Neptune ~High School~超次元ゲイム ネプテューヌ～はいすくーる～ | Light novel | Japan | - | Completed |
| Chōjiken Game Neptune ~Megami Tsūshin~超次元ゲイム ネプテューヌ〜めがみつうしん〜 | Manga | Japan | - | Completed |
| Chōjiken Game Neptune The Animation ~Hello New World~超次元ゲイム ネプテューヌ The Animation～はろーにゅーわーるど～ | Manga | Japan | - | Completed |