Hachi Hachi Mystery
| Relation | Hachi Hachi Mystery |
| Title | Hachi Hachi Mystery |
| Type | Complete |
| Language | French |
| Publication | Freeware, doujin |
| Platforms | Mac OS Windows |
| Medium | Internet download |
| Resolution | 1280x720 |
| Engine | Ren'Py |
| Released | 2021-01-19 |
| Developer | Ondori Games |
| Publisher | Ondori Games |
| Links | Official website, Steam, SteamDB |