Tex Murphy: The Pandora Directive

It's April 2043 and you - as Tex Murphy, the last of the old sleuths - find yourself in the most dangerous game of your life in a race against time. What is the truth behind the alleged UFO crash in Roswell, New Mexico? Why has the military suddenly shut down and sealed off the Roswell complex? And why are there repeated references to the lost Mayan civilization?