SpaceEngine

Single-player universe simulator for seamless exploration across cosmic scales

Cosmographic Software · Released Jun 11, 2019 · Early Access

Reviews: Overwhelmingly Positive; 96% of 17K
Recent reviews: Overwhelmingly Positive; 97% of 265 in 30 days
Playing now: 124; right now
Steam Deck: Unsupported
Last update: 1 month ago; Aug 17, 2026

What is SpaceEngine?

A single-player, open-world universe simulator in Early Access that combines cataloged celestial objects with procedurally generated regions at a 1:1 scale. You move from planetary surfaces to intergalactic space, inspect celestial bodies, alter time, or pilot spacecraft with Newtonian physics.

For you if...

+you enjoy open-ended space exploration without traditional objectives
+you value astronomical scale and science-based celestial data
+you like examining both cataloged and procedurally generated worlds

Not for you if...

−you want structured missions, progression, or a story campaign
−you dislike large amounts of procedurally generated space

What players say

96% of 16,634 reviews are positive · 97% of 265 in the last 30 days

Players praise the sense of scale, detailed space views, and freedom to examine both known and generated celestial bodies. The most common complaints concern crashes, bugs, demanding performance, and general instability. Some players also find the procedural content repetitive or poorly separated from cataloged objects.

Screenshots and trailer

SpaceEngine system requirements

As published by the developer.

Minimum

OS: Windows 10
Processor: Intel Core i3-3220T or AMD FX-4100
Graphics: GeForce GTX 1050 Ti or Radeon RX 460 (4 GB)
Memory: 6 GB RAM
Storage: 4 GB available space
Notes: Screen resolution of at least 1280x720 required to display all user interface elements. Graphics card must have at least 3 GB of VRAM.

OS: Windows 10
Processor: Intel Core i5-4430 or AMD FX-8350
Graphics: GeForce GTX 1060 (5/6 GB) or Radeon RX 480 (8 GB)
Memory: 8 GB RAM
Storage: 50 GB available space
Notes: Screen resolution of at least 1920x1080 recommended for all user interface elements to fit comfortably. Graphics card should have at least 5 GB of VRAM.

PC version details

DRM, required accounts, controller support and Steam features.

DRM: None declared on Steam
Controller: Keyboard and mouse
Platforms: Windows
Steam features: Workshop, Family Sharing

Steam Deck: Unsupported

Not supported on SteamOS

Multiplayer and co-op

Single-player

Languages

Text only: English, German, Russian, Italian, French, Finnish, Polish, Spanish - Latin America, Spanish - Spain, Traditional Chinese, Simplified Chinese, Dutch, Czech, Swedish, Japanese, Portuguese - Brazil, Turkish, Ukrainian.