Eidos would return to publish the next three games, Hitman 2: Silent Assassin (2002), Hitman: Contracts (2004), and Hitman: Blood Money (2006), for Windows and consoles, each building upon Codename 47's foundation and introducing new tools and mechanics to aid the stealth gameplay.

The first game in the franchise, Hitman: Codename 47, was published by Eidos Interactive for Windows in 2000 and introduced many of the features which would become staples of the series. Stealth is a major component of the gameplay and players are given various tools to accomplish their objectives, such as suppressed weaponry and the ability to take disguises, which allow 47 to blend in with non-player characters (NPCs) and bypass most restricted areas undetected. Gameplay focuses on freedom of approach, with most levels placing the player in a large sandbox location where they have free rein to explore and find different ways to reach and eliminate their targets. In each installment, players assume the role of a cloned contract killer named Agent 47, who travels around the world to assassinate various targets that are assigned to him by the fictional International Contract Agency (ICA). Hitman is a stealth video game franchise created by IO Interactive.

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