WWII was a theatre of war for many specialised combat units, working together to ensure an armys victory. Among them a unique role was played by hidden and deadly marksmen. Their ability to lay motionless waiting for the perfect shot together with their professional equipment allowed them to change the course of history with one pull of a trigger.

Sniper: Ghost Warrior is a firstperson tactical shooter that places the player in the role of a US Marine sniper tasked with aiding in the liberation of a Latin American island nation from the oppression of a dictator. Gameplay focuses on realistic sniper missions, involving stealth, control of breathing and heartbeat for increased accuracy, bullet trajectory that takes weather conditions into account and four different sniper rifles. Additional features include a variety of mission types, the ability to play as a member of an assault team, 12shooter multiplayer support and close combat weapons and explosives.

A mysterious shooter randomly kills innocent citizens in public; one after the other in broad daylight. All murders happen not far from the White House; not far from the President.