> Can't be completed if fanatic xenophobe
> Needs Ironman
Step #1> Create a galaxy of the size you want, the form you want, but with only 1 AI and maximum habitable planets (x5)
> Ring tiny galaxy will permit quick search but less chances to find what you're looking for
Step #2> Find a pre-FTL species at the bronze age
> Build a scientific station above the planet (and frontier outpost if outside your territory)
> Enlighten the hell out of them
> wait patiently without dying to the AI
> Make sure the pre-FTL bronze civilisation doesn't wipe out itself during the atomic and early spatial age
> Boom, one free achievement
That's all
This guide is a quick and efficient way to obtain the achievement, but it can be completed through others means or during one of your casual games