Description:
As a part of an April Fool's (2024) collaboration between the Equestria at War mod for Hoi4 and the Gigastructural Engineering & More mod for Stellaris, here are the Sirens added as a brand new crisis that threatens to enthrall the galaxy under their song.
Play against them by subscribing to Gigastructural Engineering: https://steamcommunity.com/sharedfiles/filedetails/?id=1121692237