• Price:
    $9.99
  • Release Date:
    4/11/2026
  • Developer:
    Lunarian
  • Publisher:
    Saikey Studios
  • Last Updated:
    5/30/2026
  • Steam App Id:
    3517070

Agent Sirius

3 Players In-Game
Player Score
78
33
3
Platforms
  • Windows
  • Mac
  • Linux
  • Steam Deck (Verified)

Steam Charts, Stats, and Live Player Count

At the moment, Agent Sirius has 3 concurrent players online and in-game. This is 88% lower than its previous all-time peak of 26 players achieved on 4/12/2026.

3 Players In-Game
26 All-Time Peak
78
Player Score
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Agent Sirius Review

Agent Sirius has achieved a Steambase Player Score of 92 / 100. This score is calculated from 36 total reviews on the Steam store — giving it a Positive rating. These are split between 33 positive reviews, 3 negative reviews, and will be updated in real-time as more players leave their feedback.

Track historical reviews and overall rating trends for Agent Sirius using the chart below.

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Agent Sirius Price

Agent Sirius costs $9.99 in the Steam store as of 5/30/2026. It can be purchased as a standalone game or through a bundle like NTR which offers a discount off the game's base price.

Explore the price history chart below to track historical price changes and other pricing stats for Agent Sirius.

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Agent Sirius Deals & Discounts

Discover exclusive deals and unbeatable discounts for Agent Sirius through our partner marketplaces. Get a large discount (sometimes 80% off) by purchasing your Steam key through them.

We only work with the best and most-trusted marketplaces to ensure a smooth experience. After purchase, you will immediately receive your Steam key and game activation code. Take advantage of these offers and dive into the world of Agent Sirius without hurting your wallet.

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. It is verified by Valve as playable on the Steam Deck and will run well.

According to Steam’s category system, Agent Sirius supports the following features:

  • Single-player
  • Family Sharing
  • Steam Achievements
  • 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
  • Sexual Content
  • 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.

Agent Sirius Featured Screenshot #1

Related Bundles

Agent Sirius is included in 1 bundle in the Steam Store.

ImageNameAppsPackagesPriceActions
NTR banner image
NTR1719$207.71View

Related Packages

Agent Sirius is referenced by 1 package in the Steam Store.

NamePriceActions
Agent Sirius$7.99View

Supported Languages

Agent Sirius is available in 4 different languages with varying levels of support for the in-game interface, audio, and fully translated subtitles.

NameInterfaceAudioSubtitles
English
Yes
No
Yes
Japanese
Yes
Yes
Yes
Chinese (Simplified)
Yes
No
Yes
Chinese (Traditional)
Yes
No
Yes

Frequently Asked Questions

Soures & References

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Agent Sirius data has been sourced from:

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