Buy SIRIUS-4 – Lowest Price, Deals & Price History
$4.99
Compare SIRIUS-4 prices across PC. See the current lowest price, price history, and system requirements.
Game Prices Across All Stores
Deal Verdict
Poor Deal
$4.99
Price History
The current price of $4.99 matches the all-time low, making this one of the best prices available.
- 7-day low
$4.99
- 30-day low
$4.99
- All-time low
$4.99
$4.99
Lowest Recorded Offers
- Steam
$4.99
- Steam
$10.00
About
"Sirius-4" is a plot-oriented space simulator that gives the player complete freedom of action as a hired pilot of the "Sirius" unit. The action takes place on the outskirts of human space during a turbulent time for the galaxy after a global war.
Details
- Platforms
- Release Date
9/2/2025
- Developers
- Publishers
System Requirements
Supported Languages
Steam Stats
Steam Deck
Unknown
SIRIUS-4 Buying and Gameplay FAQs
Where can I buy SIRIUS-4 the cheapest?
The cheapest price right now is $4.99 at Steam (0% off the $4.99 list price).
How much does SIRIUS-4 cost?
Right now, you can buy SIRIUS-4 for as low as $4.99 ($4.99 MSRP), depending on the store and platform.
Is SIRIUS-4 on Xbox Game Pass?
No, SIRIUS-4 is not currently on Xbox Game Pass. The cheapest way to play is to buy it as low as $4.99, depending on the store and platform.
How much is SIRIUS-4 on Steam?
On Steam, SIRIUS-4 is listed at $4.99 (MSRP $4.99).
What is the historical lowest price for SIRIUS-4?
The lowest recorded price for SIRIUS-4 is FREE, based on past sales and discounts.
Is SIRIUS-4 single-player only?
SIRIUS-4 is primarily a single-player experience.
Can I play SIRIUS-4 on Steam Deck?
SIRIUS-4 hasn't been rated for Steam Deck yet.
Is SIRIUS-4 available on PC, Xbox, PlayStation, or Switch?
SIRIUS-4 is available on PC.
When did SIRIUS-4 release?
SIRIUS-4 launched on September 2, 2025.
How much free space do I need for SIRIUS-4?
You'll need about 60 GB of free space to install and play.
SIRIUS-4 Patch Notes And Updates
Announcement
Update 0.7.5