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Explore other star systems. Earn money by trading, carrying passengers, or completing missions. Use your earnings to buy a better ship or to upgrade the weapons and engines on your current one. Blow up pirates. Take sides in a civil war. Or leave human space behind and hope to find some friendly aliens whose culture is more civilized than your own...

Endless Sky is a sandbox-style space exploration game similar to Elite, Escape Velocity, or Star Control. You start out as the captain of a tiny spaceship and can choose what to do from there. The game includes a major plot line and many minor missions, but you can choose whether you want to play through the plot or strike out on your own as a merchant or bounty hunter or explorer.

See theplayer's manual for more information, or thehome page for screenshots and the occasional blog post.

Official releases of Endless Sky are available as direct downloads fromGitHub, onSteam, onGOG, and onFlathub. Other package managers may also include the game, though the specific version provided may not be up-to-date.

Endless Sky has very minimal system requirements, meaning most systems should be able to run the game. The most restrictive requirement is likely that your device must support at least OpenGL 3.

It may be possible to run Endless Sky on other operating systems, though it is not officially supported.

Development is done usingCMake to compile the project. Most popular IDEs are supported through their respective CMake integration.

For full installation instructions, consult theBuild Instructions readme.

As a free and open source game, Endless Sky is the product of many people's work. Contributions of artwork, storylines, and other writing are most in-demand, though there is a loosely definedroadmap. Those who wish tocontribute are encouraged to review thewiki, and to post in thecommunity-run Discord beforehand. Those who prefer to use Steam can use itsdiscussion rooms as well, or GitHub'sdiscussion zone.

Endless Sky's main discussion and development area was onceGoogle Groups, but due to factors outside our control, it is now inaccessible to new users, and should not be used anymore.

Endless Sky is a free, open source game. Thesource code is available under the GPL v3 license, and all the artwork is either public domain or released under a variety of Creative Commons (and similarly permissive) licenses. (To determine the copyright status of any of the artwork, consult thecopyright file.)