Kerbal Space Program Alternatives

Player-created empires, player-driven markets, and endless ways to embark on your personal sci-fi adventure.

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.

As the only API powered by the Prince HTML-to-PDF engine, DocRaptor provides the best support for complex PDFs with powerful support for headers, page breaks, page numbers, flexbox, watermarks, accessible PDFs, and much more

Try for free paid Free Trial $15.0 / Monthly (125+ Documents)

Elite Dangerous is a 2015 Trading, Action, Sci-fi, Exploration, Open World and Space Simulation by Frontier Developments.

Star Conflict is a free MMO action game and space simulator that was introduced in 2012.

Universe Sandbox ² is a physics-based space simulator where you can simulate Events and even break physics and friction with certain features.

OGame is an addictive, Massively Multiplayer Online, Real-time Strategy, Space-war, and Money Management Browser-based video game develop by Gameforge AG.

Pioneer is a space adventure game set in the Milky Way galaxy at the turn of the 31st century.

Open Source

X3: Terran Conflict is part of the X number of video games.

The space-based MMO Vendetta Online balances an online trading system with tense ship-to=ship combat.

Space Engine is a realistic virtual Universe you can explore on your computer.

Hello, Thanks for all your continued feedback – we've been listening carefully and have continued to make a number of improvements. In this patch we're introducing an overhauled save system, which makes managing saves between game modes much easier.

Star Trek Online (STO) is a free to play MMORPG that takes place inside the Star Trek world.

Ace Online is a distinctive 3D MMO that places you in the pilot seat of your personal fighter ship (called a Gear).