Vselka Infiltration is the tenth solo campaign level for Tom Clancy's Splinter Cell. This level is a bonus DLC level available for users on both the Xbox and PC systems, part of two other levels made free for players. In this level, Splinter Cell agent Sam Fisher, months after the events of the previous mission, is tasked with infiltrating an old Russian naval shipyard to located a Russian sailor being held captive by Russian mercenaries.