"Thief III: Deadly Shadows" is a stealth-based video game developed by Ion Storm and released in 2004. It is the third installment in the Thief series, where players assume the role of the master thief Garrett. The game features a first-person perspective and emphasizes stealth, allowing players to navigate through various environments while avoiding detection. Set in a dark, fantasy world, the game combines elements of steampunk and gothic architecture. Players complete missions that involve stealing valuable items and gathering information. The game also introduces a new mechanic called the City, which serves as a hub for players to explore and interact with various characters and locations.