Agent Sirius
Join Beni Akesuzu, the high school detective president and secret agent, in this thrilling mystery RPG! Investigate mysterious incidents, solve puzzles,and uncover a sinister plot as monsters lurk in the shadows in a race to save the school and it's students before it’s too late!
Last Updated: 4/11/2026
| Steam Price | $7.99 |
| Release Date | 4/11/2026 |
| Developer | Lunarian |
| Publisher | Saikey Studios |
| Steam App Id | 3517070 |
Agent Sirius
Join Beni Akesuzu, the high school detective president and secret agent, in this thrilling mystery RPG! Investigate mysterious incidents, solve puzzles,and uncover a sinister plot as monsters lurk in the shadows in a race to save the school and it's students before it’s too late!
Last Updated: 4/11/2026
- Windows
- Mac
- Linux
About Agent Sirius
Agent Sirius is an Adventure, and RPG game developed by Lunarian. On 4/11/2026, it was released on the Steam Store by Saikey Studios.
It can be played and ran on Windows systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
According to Steam’s category system, Agent Sirius supports the following features:
- Single-player
- Steam Achievements
- Family Sharing
- Steam Cloud
From the Steam community, Agent Sirius has been tagged with the following user tags:
- Drama
- Supernatural
- Nonlinear
- JRPG
- Fantasy
- Multiple Endings
- Pixel Graphics
- Choices Matter
- RPG
- Psychological Horror
- Mystery
- Horror
- Detective
- Anime
- Colorful
- Demons
- Adventure
- Singleplayer
- Female Protagonist
- 2D
Media & Sceenshots
Watch the featured video for Agent Sirius and see the latest screenshots from the Steam Store.
Related Packages
Agent Sirius is referenced by 1 package in the Steam Store. A package (or sub) is simply an item that can be purchased on Steam.
| Name | Price | Actions |
|---|---|---|
| Agent Sirius | $7.99 | View |
Supported Languages and Localizations
Agent Sirius is available in 4 different languages with varying levels of support for the in-game interface, audio, and fully translated subtitles.
| Name | Interface | Audio | Subtitles |
|---|---|---|---|
| English | Yes | No | Yes |
| Japanese | Yes | Yes | Yes |
| Chinese (Simplified) | Yes | No | Yes |
| Chinese (Traditional) | Yes | No | Yes |
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Features & Categories
Frequently Asked Questions
Soures & References
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Agent Sirius data has been sourced from:
- Valve Corporation. (2026, April 11). Agent Sirius on Steam. Steam Store.
- Valve Corporation. (2026, April 11). Agent Sirius. Steam Community Hub.
- Lunarian. (2025, February 25). Agent Sirius. Agent Sirius.