Tom Clancy's Splinter Cell

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

Infiltrate terrorists' positions, acquire critical intelligence by any means necessary, execute with extreme prejudice, and exit without a trace!
You are Sam Fisher, a highly trained secret operative of the NSA's secret arm: Third Echelon. The world balance is in your hands, as cyber terrorism and international tensions are about to explode into WWIII.

Go Behind the Headlines into the Real World of Modern Espionage - Enter the realistic Tom Clancy universe. Suit up with the latest classified field operative gear and weapons.
A New Level of Stealth Action - All the best stealth action plus all new moves. Highly interactive environments giving players more gameplay options and the ability to strategize their actions.
Deep Environments. Unparalleled Immersion - Stunning environments driven by the Unreal™ engine. Dynamic lighting and sound effects that match reality.
Pulse-Pounding Action on a Global Scale - Over 20 Hours of stealth action. Diverse mission objectives that can be achieved by different means for increased replay value.