Spycraft: The Great Game

With input from ex-head of KGB and ex-head of CIA, the scenario is frighteningly authentic. You choose your actions from what is available on screen. You will need to collate large amount of information, and pick out certain patterns that will lead you to what you need. You are helped along by your trusty PDA which highlights the areas to be investigated (i.e. puzzles to be solved) and keeps track of relevant facts.