The BioGenesis Add-on for Stellaris has 6 achievements.
As a Behmoth Fury empire, become the undisputed apex predator of the galaxy.
As a Wilderness empire, restore all of the Hive Fallen Empire's worlds to your natural state.
As an Evolutionary Predators empire, eat six different phenotypes in one game.
As a Starlit Citadel empire, control of at least 5 systems connected to the Strange Portal network.
Smuggle pops of your primary species out from an empire where they were enslaved or being purged.
Defeat the Prethoryn Scourge while using biological ships.