Games like Space Empires 4. 26 Similar Games.

1. Space Empires. (1993)
2. Space Empires 2. (1995)
3. Space Empires 3. (1997)
4. Space Empires: Starfury. (2003)
5. Space Empires 5. (2006)
6. Galactic Civilizations. (2003) 
7. Master of Orion 2. (1996)
8. Ascendancy. (1995)
9. Distant Worlds. (2010)
10. Star Wars: Rebellion. (1998)
11. Sins of a Solar Empire. (2008) 
12. Nexus: The Jupiter Incident. (2004)  
13. Armada 2526. (2009)
14. Haegemonia: Legions of Iron. (2002)
15. Sword of the Stars. (2006)
16. Lost Empire. (2007)
17. Star Wars: Empire at War. (2007) 
18. Endless Space. (2012)
19. Imperium Galactica 2. (2000)
20. Star Trek: Birth of the Federation. (1999)
21. Pax Imperia: Eminent Domain. (1997)
22. Civilization 4: Dune Wars. (2009)
23. Civilization 4: Planetfall. (2006) 
24. Civilization: Beyond Earth. (2014)
25. Sid Meier's Alpha Centauri. (1999) 
26. Endless Legend. (2014)