Sirius-4 is a space simulator that gives the player complete freedom of action. The game takes place in a galaxy created using a level generator, which makes each new game session unique. There are various independent groups operating in these open spaces: pirates, fanatics and supranational interstellar corporations. The player is given a unique opportunity to explore this vast and vibrant world. Every time going into space, the player will be able to feel the pulse of humanity: hear the routine radio conversations of pilots and encounter ships tracking their routes. All this creates a unique atmosphere of a free pilot's life. All this is Sirius-4.
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SIRIUS-4 is completely FREE to play. You can download and play it without any purchase.
Minimum: Minimum: Requires a 64-bit processor and operating system OS: Windows 10 Processor: Intel Core i5-4670K 3.4GHz Memory: 8 GB RAM Graphics: NVIDIA GeForce GTX 1050 Ti 4GB Storage: 60 GB available space Recommended: Recommended: Requires a 64-bit processor and operating system OS: Windows 10 Processor: Intel Core i7-10700K Memory: 16 GB RAM Graphics: NVIDIA GeForce RTX 2080 SUPER Storage: 60 GB available space
SIRIUS-4 is available on Windows PC.
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SIRIUS-4 was released on Sep 2, 2025.
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