Current game version
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Installer (version 0.45)
Open Imperium Galactica (Open-IG) is an open source JavaTM reimplementation of the Digital Reality game Imperium Galactica, a popular, 4X (eXplore, eXpand, eXploit, and eXterminate) real-time space strategy game developed around 1996 in Hungary.
The project contains all necessary files (with the permission from the copyright owner Digital Reality) to run the game standalone, there is no need for the original Imperium Galactica files.
|Java 11 x86 or newer1||Java 11 x64 or newer|
|Any operating system with graphical user interface||64 bit operating system with graphical user interface|
|A mouse with scroll wheel||A mouse with scroll wheel|
|832 MB RAM||3 GB available RAM|
|1.4 GB disk space||2 GB disk space|
|1.5 GHz Dual Core CPU||2 GHz Quad Core CPU|
1Technically, Java 7 is enough but running the launcher with it may cause trouble connecting to GitHub due to outdated TLS support in Java 7.
I recommend picking up the latest version from AdoptOpenJDK.net.
- Spanish (graphics and text only)
Some systems and configurations may not run the game properly. Please refer to the Troubleshooting guide for workarounds and resolutions.
Thanks to Bajor "Danyetz" Dániel for the spying related work for IG2 DLC, weather effects and some other new developments.
Big thanks to Grigoriev Kirill for the Russian translation.
Thanks goes to Silvern Tiger for testing and translation.
Big thanks goes to Norbert "Silver83" Pellny, who took the enormous job and cleaned the game background images, helped with the german version and tested the game tirelessly.
I'd like to thank Torma "Joe" József for his intensive testing and help with the sound, graphics, AI, concepts and many more things.
I'd like to thank TCH from DOSGames forum for helping me discover the animation file format. He gave the idea to check for two compression steps instead of only one.
I'd like to thank my colleague Galaxy for creating the new Open-IG splash screen and helping me with the data model behind Open-IG.
I'd like to thank Harrach Gergely for the Credits data, ship firepowers, subtitles and other stuff.
I'd like to thank Góz Tamás from magyarszinkron.hu for identifying some of the voice actors.