How many games are there in the "Colony Wars" series for the PlayStation?
Explanation
There are three games in the Colony Wars series for the PlayStation because that was the number of games released by the developers. The series began with Colony Wars in 1997, followed by Colony Wars: Vengeance in 1998, and concluded with Colony Wars: Red Sun in 2000. Each game built upon the futuristic space combat gameplay and immersive storyline, providing players with a trilogy of thrilling and immersive experiences in the universe of Colony Wars.