Living with my Little Sister
$5.99
Buy Agent Sirius – Lowest Price, Deals & Price History
Official Store Offers
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!
- Platforms
- Release Date
4/10/2026
- Developers
- Publishers
- System
- Features
Price History
| Price History Title | Price History Value |
|---|---|
| Current Low | $9.99 |
| All-Time Low | FREE |
| MSRP | $9.99 |
| Active Offers | 1 stores |
| On Sale? | No |
30-Day Price Trend
System Requirements
Windows
WindowsSupported Languages
Interface
Audio
English
✓
Japanese
✓
✓
Simplified Chinese
✓
+1 more languagesShow less
Traditional Chinese
✓
Achievements
| Store | Total Achievements |
|---|---|
| Steam | 6 Total |
Compare Agent Sirius Prices Across All Stores
| Store | Discount | Sale Price | MSRP | DRM | Region | OS |
|---|---|---|---|---|---|---|
| Steam | 0% | $9.99 | $9.99 | Steam | - |
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Agent Sirius Buying and Gameplay FAQs
Price & Deals FAQs
How much does Agent Sirius cost?
Right now, you can buy Agent Sirius for as low as $9.99, depending on the store and platform.
Is Agent Sirius on sale right now?
At the moment, Agent Sirius is not on sale. Check back soon or watch for seasonal discounts.
How much is Agent Sirius on Steam?
On Steam, Agent Sirius is listed at $9.99 (MSRP $9.99).
What is the historical lowest price for Agent Sirius?
The lowest recorded price for Agent Sirius is FREE, based on past sales and discounts.
Crossplay & Platforms FAQs
Is Agent Sirius available on PC, Xbox, PlayStation, or Switch?
Agent Sirius is available on PC.
Gameplay FAQs
Is Agent Sirius single-player only?
Agent Sirius is primarily a single-player experience.
Game Stats FAQs
When did Agent Sirius release?
Agent Sirius launched on Fri Apr 10 2026.
How much free space do I need for Agent Sirius?
The game requires at least 1 GB of free space.
DLC & Content FAQs
Agent Sirius PC – Buying Guide, Reviews and Deal Summary
Agent Sirius was developed by Lunarian and published by Saikey Studios, released on 2026-04-10.
At the moment, the lowest price is
$9.99
, compared to an MSRP of$9.99
. Across all listings, there are currently 1 store offers for Agent Sirius, pulled from both authorized retailers (such as Steam, Fanatical, and Green Man Gaming) and key marketplaces like Kinguin or Eneba. Whether you prefer buying from official sources or want to stretch your budget further through grey-market deals, Gamers Unchained helps you easily compare prices and find the best fit.What Is a Game Key and Is It Safe to Buy?
Not sure what a game key is or how to redeem one on platforms like Steam, Epic Games, or Ubisoft Connect? You're not alone—and we've got you covered. Our quick guides break it all down for you—check them out and get gaming faster!