General

The app icon incorporates Constellation by uniconlabs from Flaticon,licensed under the Flaticon License.

Space Dominion

  1. The game concept is inspired by Steve Barcia's Master of Orion 1993 by MicroProse, along with Kilgore Trout's 1oom, Rayfowler's Remnants of the Precursors and FreeOrion.
  2. Missile icon from Freepik is licensed by the the Flaticon License.
  3. Target icon from Freepik is licensed by the the Flaticon License.
  4. Flag icon from Pixel Perfect is licensed by the the Flaticon License.
  5. Spaceship icon from Freepik Perfect is licensed by the the Flaticon License.
  6. UFO icon from Freepik Perfect is licensed by the the Flaticon License.
  7. Pictures from Peter Penev are licensed by the Creative Commons License .
  8. Music made by Remi Agullo are licensed by the Creative Commons License.

Space Explorer

  1. The game concept is inspired by Ambrosia Software's Escape Velocit series, Fred Ford and Paul Reiche III's Star Control II , Endless sky, Naev and The Ur-Quan Masters.
  2. Ships pictures from Peter Penev are licensed by the Creative Commons License .
  3. Pictures from Endless-sky project by @Karirawri are licensed by the CC-BY-SA-4.0 License .
  4. Pictures from Endless-sky project by Azure are licensed by the CC-BY-SA-4.0 License .
  5. Pictures from Endless-sky project by Becca Tommaso are licensed by the CC-BY-SA-4.0 License .
  6. Pictures from Endless-sky project by Benjamin Jackson are licensed by the CC-BY-SA-4.0 License .
  7. Pictures from Endless-sky project by Daeridanii are licensed by the CC-BY-SA-4.0 License .
  8. Pictures from Endless-sky project by Evan Fluharty are licensed by the CC-BY-SA-4.0 License .
  9. Pictures from Endless-sky project by Gefüllte Taubenbrust are licensed by the CC-BY-SA-4.0 License .
  10. Pictures from Endless-sky project by Iaz Poolar are licensed by the CC-BY-SA-4.0 License .
  11. Pictures from Endless-sky project by Jack George are licensed by the CC-BY-SA-4.0 License .
  12. Pictures from Endless-sky project by Lia Gerty are licensed by the CC-BY-SA-4.0 License .
  13. Pictures from Endless-sky project by Matteo "Lead" M. are licensed by the CC-BY-SA-4.0 License .
  14. Pictures from Endless-sky project by Matthew Smestad are licensed by the CC-BY-SA-4.0 License .
  15. Pictures from Endless-sky project by Maximilian Korber are licensed by the CC-BY-SA-4.0 License .
  16. Pictures from Endless-sky project by Michael Zahniser are licensed by the CC-BY-SA-4.0 License .
  17. Pictures from Endless-sky project by NASA are licensed by the CC-BY-SA-4.0 License .
  18. Pictures from Endless-sky project by Nate Graham are licensed by the CC-BY-SA-4.0 License .
  19. Pictures from Endless-sky project by RisingLeaf are licensed by the CC-BY-SA-4.0 License .
  20. Pictures from Endless-sky project by Saugia are licensed by the CC-BY-SA-4.0 License .
  21. Pictures from Endless-sky project by X-27 are licensed by the CC-BY-SA-4.0 License .
  22. Pictures from Endless-sky project by Zachary Siple are licensed by the CC-BY-SA-4.0 License .
  23. Pictures from Endless-sky project by bene-dictator are licensed by the CC-BY-SA-4.0 License .

Detail information can be found here.