Stellaris в Twitter: „@ContingencyMap1 The underlaying mechanics here are a bit like a tech tree. Some techs require other techs to be unlocked and there are tiers (we'll go over this in
Technology - Stellaris Wiki
How To Prevent AI Rebellions in Stellaris – FandomSpot
If anyone's interested, I mapped out the weapons tech tree : r/Stellaris
Stellaris」 Essential TECH and RESEARCH Guide - How to get Techs! - YouTube