Your name is Sam Fisher and you are the best field-operative of the secretive "black-ops" NSA sub-agency Third Echelon. Sent to execute desperate missions, you're the last resort of your government, on the edge of legality and morality. Alone, yet armed with some of the best hi-tech weapons on the market, you are geared up to infiltrate and neutralize every enemy - all without leaving a trace. Diving summersault, ledge hang, pipe climb, peek around corners and shoot, drop attack, drag and hide bodies, close-quarters stealth attack, gunpoint cooperation, human shield...
Infiltrate high-security strongholds (including CIA headquarters), neutralize anyone who opposes mission goals (from hackers to special forces soldiers), seize critical intelligence, destroy threatening data and equipment, and disappear without a trace.