Revenge of the Titans

Revenge of the Titans is a tower defense/real-time strategy video game developed and published by Puppy Games, it is a direct sequel to Titan Attacks!. It was released for one of the five games included in the second Humble Indie Bundle in 2010. As a result of the success of the Humble Indie Bundle sale the source code of Revenge of the Titans was released. On March 16, 2011, the game was released on Steam.