Thief: Deadly Shadows places you in the role of Master Thief Garrett, the quintessential anti-hero that steals from the rich and keeps for himself. In Thief: Deadly Shadows, Garrett finds himself assisting the Keepers, the secret society that trained Garrett in his youth. He is tasked with preventing a prophesised Dark Age from coming into fruition. Thief: Deadly Shadows was developed by Ion Storm, creators of the critically-acclaimed Deus Ex series.

Thief: Deadly Shadows will continue the Ion Storm tradition of open-ended emergent gameplay the studio is famous for. The freedom to choose a unique play style is what sets Thief: Deadly Shadows apart from any other game further immersing the player into the adventure. Thief: Deadly Shadows features a powerful physics system, startlingly smart AI, enhanced character modelling and animation, a groundbreaking sound propagation system and state- of-the art lighting and graphics for which Ion Storm is famous for.