Hitman: Blood Money is a stealth action video game for the Microsoft Xbox, where players control Agent 47, a professional assassin. Developed by IO Interactive, it's the fourth installment in the Hitman series. Players navigate through various locations worldwide, eliminating targets using stealth, subterfuge, and weaponry. Its sandbox levels encourage creativity in accomplishing missions. The game introduces the 'notoriety system' which affects how NPCs react to the player, adding to the strategy. It combines elements of strategy, puzzle-solving, and shooter genres.