Planet conquest | Space stage Spore Guide

 Conquering planets might be useful and effective - but only when your species was aggressive since the first stage. It would just give you lots of useful weapons systems.

To conquer a planet - you would have to fly to a selected planet and destroy it's cities.

First - you would have to destroy enemy fleet - so it won't bother you. Then you would have to take out defensive turrets.

Then - destroy all buildings. When the citizens would come out with the white flag, you can chooose - spare them or kill.

Conquering planet means conquering the whole solar system it belongs to.