9. Halo Franchise – $5,000,000,000
The outer space franchise shooting game, Halo, is based on a plot about war between humanity and evil aliens known as “The Covenant”. The first game in the series first released in 2001 and after that, the series sold over 65 million copies worldwide. The first games of the series were big success by many and even acknowledge as the best first-person shooter games that released by Xbox.
Halo didn’t just stay in the video games, it even expend into other media including novels, graphic novels, comic books and even Lego sets. Some people even compared Halo series to the Star Wars series.
