In the prequel series, Caprica, fans learned more about the origins of these massive robotic creatures and finally gained insight as to how humans and technology merged to become a sentient robotic race.
In Galactic Civil War you play key battles from the original Star Wars Trilogy (IV-V), while the Clone wars focuses on specific scenarios from the Star Wars prequel movies.
In 1995, a prequel to Street Fighter II was released.
Another launch title, Perfect Dark Zero is a prequel to the smash hit Perfect Dark.
A prequel, Enterprise takes place before the original series.