Open Realm of Stars

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Open Realm of Stars
ORoS 0.24.0Beta - star map.png
Star map in ORoS 0.24.0Beta
Genres2D Java 4X sci-fi space strategy game
Latest release0.26.0  (Announcement)
Release dateMay 18th, 2024
DeveloperTuomo Untinen and others[1]
Code licenseGPLv2[2][3]
Media licensesCC BY-SA 3.0 and others[1][3]
P. languageJava
Open Realm of Stars is a free game. This means that the source code is available to be studied, modified, and distributed. Most projects look for help with testing, documentation, graphics, etc., as well.

Open Realm of Stars is a 2D Java 4X ("4X" means "Explore, Expand, Exploit, Exterminate") sci-fi space strategy game.


The code is under GPLv2. The graphics are usually under CC BY-SA 3.0 license with some under CC0, CC BY 3.0 and 4.0. Fonts are under the SIL Open Font License Version 1.1. Sounds are under CC0, CC BY 3.0 and 4.0 license. Music is under CC0, CC BY 3.0 and 4.0, CC-BY-SA 3.0.[1] The offered binaries on GitHub include JOrbis, a Java Ogg Vorbis decoder, which is under LGPL.[4]


Tuomo Untinen started the develpment on GitHub on May 8th, 2016.[5] The first public release was Open Realm of Stars 0.0.1Alpha on September 10th, 2016.[6]

External links[edit]


  1. 1.0 1.1 1.2 acc. 2023-08-03
  2. LICENSE acc. 2023-08-03
  3. 3.0 3.1 ORoS Wiki acc. 2023-08-03
  4. README of JOrbis acc. 2023-08-03
  5. First commit acc. 2023-08-03
  6. First release acc. 2023-08-03