Tom Clancy's Splinter Cell: Mission-Pack (2004)

This package adds three extra-missions to the first original game in the series. The first mission requires the infiltration of a Georgian warehouse (the original Kola Cell mission, from March 2003). It pushes Sam Fisher to the limits, with a lot of security measures and enemies. The second mission is titled Vselka Infiltration and the general story is that information collected at the Kola Facility indicates that Colonel Alekseevich's cell has orders to capture a Russian submarine manufacturing facility. There is a nuclear submarine and Fisher must prevent the takeover. The third and final mission, Vselka Submarine, shows that Alekseevich's men have taken control of the submarine and Fisher must access the onboard computers to locate the status of the nuclear warheads.