Thief II: The Metal Age

Summary pulled directly from Steam - Some text may only be applicable to Steam platform

The ultimate thief is back! Tread softly as you make your way through 15 new complex, non-linear levels full of loot to steal and guards to outsmart. Improved enemy AI, new gadgets and a riveting story will draw you into the world of Thief™ II: The Metal Age, a place of powerful new technologies, fanatical religions and corruption.

Key Features:

Thrilling, stealth-based FPS gameplay
Complex, non-linear levels allow you to choose a different path every time
Advanced enemy AI and sophisticated new master thief tools to outwit them
Gripping narrative with intriguing subplots through 15 huge missions

Awards

Hall of fame entry in Gamespy
Greatest Games of All Time entry in Gamespot
3rd annual Academy of Interactive Arts and Sciences Awards (2000) - Outstanding Achievement in Character or Story Development