The The Machine Age Add-on for Stellaris has 6 achievements.
Create a perfect universe while meeting every quota as an Obsessional Directive empire.
Fully embrace the virtual world and leave no pop behind.
Complete an Arc Furnace and a Dyson Swarm in the same system.
As a nanite machine empire, consume a Fallen Empire's homeworld.
Submit to all of Cetana's demands.
As a Cybernetic Creed empire, defeat Cetana.