
EVE Online
Star Citizen
Star Conflict
Universe Sandbox
Freelancer.com
Vendetta Online
Star Trek Online
Build spacecraft, fly them, and try to help the Kerbals to fulfill their ultimate mission of conquering space.
Universe Sandbox
Galaxy Engine
Space Crash Simulator
Space Simulation Toolkit
Celestia
Space Engine
Galaxy Map
Education & Reference

Which is more popular?
Based on our record, Kerbal Space Program seems to be more popular. It has been mentioned 7 times since March 2021.
Website, pricing, platforms and company facts side by side.
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OSP
OpenSPH
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| Website | kerbalspaceprogram.com | pavelsevecek.github.io |
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What each product offers, as listed by its team.

Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.

No analysis of Kerbal Space Program yet.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
Kerbal Space Program Video Review
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How often each product is chosen within a category, 0–100% relative to the other.

Share your experience with using Kerbal Space Program and OpenSPH. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.

Is see kerbalspaceprogram.com and discord.com. Usually I just paste the invite link directly into discord. Source: almost 4 years ago
Kerbal Space Program is a VERY GOOD rocket science game, with very realistic physics. Source: over 4 years ago
And of course… KERBAL SPACE PROGRAM, where you can recreate as much of the classic Space Race and beyond as you like while learning (mostly) realistic orbital physics! Source: over 4 years ago
Tracking OpenSPH since Mar 2026.
When comparing Kerbal Space Program and OpenSPH, you can also consider the following products.

Player-created empires, player-driven markets, and endless ways to embark on your personal sci-fi adventure.
Compare EVE Online to Kerbal Space Program or OpenSPH:

Universe Sandbox ² is a physics-based space simulator where you can simulate Events and even break physics and friction with certain features.
Compare Universe Sandbox to Kerbal Space Program or OpenSPH:

1, 966, 341. Active citizen. Help us make Star Citizen a reality! Become a backer of the next-generation of Space-man. Reserve your ship.
Compare Star Citizen to Kerbal Space Program or OpenSPH:
Simulate the physics of the Universe on a large scale and create stunning visuals. Play with intergalactic interactions, smash planets together and even create the Big Bang itself!
Compare Galaxy Engine to Kerbal Space Program or OpenSPH:

Star Conflict is a free MMO action game and space simulator that was introduced in 2012.
Compare Star Conflict to Kerbal Space Program or OpenSPH:

Games and Education & Reference
Compare Space Crash Simulator to Kerbal Space Program or OpenSPH: