The Journeyman Project 2: Buried in Time

Adventure in scifi environment. The player has the role as Agent 5 and needs to travel back in time to various location to clear his reputation. From the back of the box: "Hidden somewhere in the sands of time has a chilling story of deception and betrayal. Prepare for the adventure of a lifetime as you assume the identity of Agent No.5 of the Temporal Security Agency. Falsely accused of altering Earth history..."