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SpaceSim

SpaceSim

PC

SpaceSim: Astrophysical Simulation Software

Early Access

Release Date: December 15, 2025 Early Access

Simulation, Space, Educational, Indie Games, Singleplayer

A space simulator tool that allows us to simulate celestial collisions, accretion disks around black holes, or galaxies being created. SpaceSim doesn't run in real time, but it also doesn't require extensive knowledge and it's friendly towards unexperienced users.

10

Steam

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Ratings
[1:11] - Trailer #1 Videos: 1
Screenshot Images: 6
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An employee of Charles University in Prague at the Department of Astronomy, Pavel Sevecek, decided to develop a program for astrophysical simulations. The goal of the indie title SpaceSim - Astrophysical Simulation Software is to make advanced phenomena studied in astronomy and physics more understandable to a wider audience.

How does it work?

The tool is used to recreate phenomena described in scientific literature, such as the impact that led to the formation of the Moon, the creation of Saturn's ring system, or the kinetic effects caused by the DART impactor. By examining initial conditions, we test hypothetical scenarios like the collision of two planets made of matter and antimatter.

The program includes many types of objects: planets, stars, asteroids, disks, clouds, or even galaxies. Each object has adjustable parameters that allow changing its geometry, materials, appearance, and behavior. The surface textures of planets and asteroids can be further customized using procedural generation or by uploading our own images. Custom objects are created using the Lua scripting language.

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Platforms:

PC Windows

PC Windows

Developer: Pavel Ševeček

Publisher: Pavel Ševeček

Age restrictions: none

Similar Games:

SpaceEngine

Universe Sandbox

Colobot

Features

System Requirements

System Requirements for SpaceSim Video Game:

PC Windows

PC / Windows

Minimum System Requirements:
CPU SSE 4.1, 4 GB RAM, graphic card OpenGL 4.6, 500 MB HDD, Windows 10 64-bit.

Recommended System Requirements:
CPU SSE 4.1, 16 GB RAM, graphic card 4 GB, 10 GB HDD, Windows 10/11 64-bit.

Ratings

Game Ratings for SpaceSim Video Game.

100%

STEAM Score

All Reviews: Positive (17)

STEAM
User Reviews Summary generated by AI

The main pros of the game

  • Realism: Users consistently highlight the software's high level of realism, making it one of the most accurate space simulators available.
  • Fun and Engaging: Many users find it enjoyable to use, even though it is not a traditional game.
  • Workshop Support: The presence of workshop support is appreciated, allowing users to share and access additional content.
  • Advanced Features: Users commend the program for its advanced capabilities in simulating astrophysical phenomena, such as collisions and the formation of celestial bodies.
  • User-Friendly Interface: The modern graphical user interface (GUI) makes it accessible for ordinary users to create complex simulations.
  • Learning Tool: The software is seen as a valuable educational resource for those interested in astrophysics and space.

The main cons of the game

  • Performance Requirements: Many users note that the software demands a high-performance computer to run smoothly, especially when simulating multiple celestial bodies.
  • Limited Pre-Configured Objects: Some reviews mention that the software currently lacks a variety of pre-configured objects, which may limit initial user experience.
  • Tutorial Length: A few users feel that the tutorial could be more comprehensive to help new users get started effectively.
  • Simulation Time: Users indicate that some simulations can take a long time to complete, which may not appeal to everyone.

The features or elements that are missing from the game according to users

  • Speed Control System: Users have suggested the addition of a customizable speed control system for simulations.
  • Expanded Object Library: There are requests for more celestial objects, including various moons and planets, to enhance the simulation experience.
  • Procedural Generation: Users expressed interest in procedural generation features for galaxies, nebulae, and stars to increase variety and complexity in simulations.
  • Improved Particle Size Control: Some feedback indicates that the particle size settings could be improved for better visual clarity.

Summary

  • Overall, while SpaceSim is praised for its realism and advanced simulation capabilities, there are clear areas for improvement, particularly regarding performance optimization, content variety, and user guidance.

Summary generated on:

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