Based on this list of 4x video games, my first 4x game was Spaceward Ho!. I still have a shrinkwrapped copy of that game
I do have Reach for the Stars, which came out before Spaceward Ho!, but my copy is the Windows 95 version.
So my list of 4x sci-fi games, based on the wikipedia list, in order of publication:
- Reach for the Stars
- Spaceward Ho!
- Master of Orion
- Ascendancy
- Stars!
- Emperor of the Fading Suns
- Master of Orion 2
- Sid Meier's Alpha Centauri / Alien Crossfire
- Space Empires IV
- GalCiv w/ all expansions
- Master of Orion III
- GalCiv II w/ all expansions
- Space Empires V
- Sword of the Stars w/ all expansions
- Sins of a Solar Empire w/ first two expansions
- Distant Worlds w/ all expansions
- Star Ruler
- Sword of the Stars II
- Endless Space
- Star Control III
- Starflight
- Starflight II

