Hachi Hachi Mystery
Developed by Ondori Games · Published by Ondori Games
At a glance
Overview
A free to play, simulation game by Ondori Games, published by Ondori Games — single-player.
Steam’s own one-line description: “Hachi Hachi Mystery is a interactive Visual Novelf taking place at university. It's your first year as a university student and you're going to discover this new life! ...Well, that's how it should have happened.” — developer/publisher text via the Steam store page.
Reception & community
Review sentiment, ownership and peak-concurrent estimates via SteamSpy; tags are player-voted on Steam. Estimates change over time.
Features & modes
Derived from the gameplay modes and feature categories Steam lists for Hachi Hachi Mystery.
| Feature | Supported |
|---|---|
| Single-player | Yes |
| Multiplayer | No |
| Co-op | No |
| Online co-op | No |
| PvP | No |
| Cross-platform multiplayer | No |
| Full controller support | No |
| Partial controller support | No |
| Steam Cloud saves | No |
| Steam Achievements | No |
System requirements (PC)
As published on the Steam store page. Requirements can change between updates.
Minimum
- OS *: Windows XP/Vista/7/8/10
- Processor: Intel Core 2 Duo
- Memory: 2 GB RAM
- Graphics: GTX 260 or equivalent
- DirectX: Version 9.0
- Storage: 317 MB available space
Supported languages (1)
Hachi Hachi Mystery FAQ
Answered from the official Steam listing as of June 2026. Where something hasn't been announced, we say so rather than guess.
What kind of game is Hachi Hachi Mystery?
Steam classifies Hachi Hachi Mystery as a Free To Play, Simulation game, developed by Ondori Games. Hachi Hachi Mystery is a interactive Visual Novelf taking place at university. It's your first year as a university student and you're going to discover this new life! ...Well, that's how it should have happened.
Is Hachi Hachi Mystery free to play?
Yes — Steam lists Hachi Hachi Mystery as Free to Play.
Is Hachi Hachi Mystery single-player or multiplayer?
Steam lists these modes for Hachi Hachi Mystery: Single-player. It lists a single-player mode.
Is Hachi Hachi Mystery on PlayStation, Xbox, or Switch?
Our data comes from the Steam (PC) store, which lists Hachi Hachi Mystery for Windows, macOS. Console availability isn’t in our Steam-sourced data — check the official site or the console store.
Is Hachi Hachi Mystery out yet?
Yes — Steam lists a release date of Jan 19, 2021.
What platforms is Hachi Hachi Mystery on?
Hachi Hachi Mystery is listed for Windows, macOS on the Steam (PC) store. Console availability isn't covered by Steam's PC store data — check the official channels.
Is Hachi Hachi Mystery single-player or multiplayer?
Steam lists these modes: Single-player.
How much does Hachi Hachi Mystery cost?
It's free to play, per Steam.
Who made Hachi Hachi Mystery?
Hachi Hachi Mystery is developed by Ondori Games and published by Ondori Games.
Where to get Hachi Hachi Mystery
We don't sell games or track prices — this links to the official Steam store page.
View on Steam →Listing details from Valve's public Steam store data · official site. Not affiliated with Valve/Steam, Ondori Games.