
Siege of Centauri is a new take on the tower defense genre and is set in the Ashes of the Singularity universe.

Squad writes "A decade ago they were a dominant force in gaming. There were always a plethora of tower defense games being offered, including classics like Plants vs. Zombies and Iron Brigade. Even some famous franchises – such as Final Fantasy – dipped their toes into the tower defense genre."
You got it backwards, it's more popular now. Also you show zero statistics to back up your premise.

COGconnected: Stardock is back with a brand new intergalactic tower defence title in Seige of Centauri though unfortunately, it's just a whole lot more of the same, without much innovation.
Siege of Centauri is a new take on the tower defense genre and is set in the Ashes of the Singularity universe.