Hitman is a video game series developed by the Danish company, IO Interactive, previously published by Eidos Interactive and Square Enix. IO Interactive remained a subsidiary of Square Enix until 2017, when Square Enix began seeking buyers for the studio in June 2017, IO Interactive completed management buyouts, regained its independent status and retained the rights to Hitman, in June 2017. The series is available on Microsoft Windows and also several video game consoles, including PlayStation 2, Xbox, GameCube, PlayStation 3, Xbox 360, PlayStation Vita, PlayStation 4 and Xbox One. This franchise also includes two novels and a graphic novel: Hitman: Enemies In writing by William C. Dietz, followed by Hitman: Damnation written by Raymond Benson, as well as Agent 47’s prequel comic: Birth of a Hitman.
A film adaptation in 2007, loosely based on the story of the game, was received negatively, but became financially successful. Another movie, Hitman: Agent 47, was released in 2015, also after negative reviews.
The game is about Agent 47, the cloned contract murderer, whose perfect record is in high demand among the rich and elite, in killing many notorious criminals around the world. The first original screenwriter was Morten Iversen, who wrote the script for Hitman: Codename 47 and Hitman 2: Silent Assassin. He also contributed to Hitman: Contracts and Hitman: Blood Money. The game features a mix of orchestral and electronic music scores, composed by Jesper Kyd. The fifth installment of the series, Hitman: Absolution, was released on November 20, 2012. It released a side effect for PC, PlayStation 3 and Xbox 360 called Hitman: Sniper Challenge. For phones and tablets, the derived game developed by Square Enix Montreal has been released as a strategy game called Hitman Go. Another game released for mobile devices, Hitman: Sniper, includes a first-person snip game. The sixth game, titled Hitman, was released periodically, where the first episode was released in March 2016, and the last in December 2016. The seventh game, Hitman 2, was released in November 2018.