From the back of the box:
"Crime Scene London. Scotland Yard is in pursuit of Mister X!
One player is Mister X, the others are detectives hot on his trail across the streets of London. By taxi, bus and underground, Mister X is pulling out all the stops to elude Scotland Yard's finest detectives. Will he be able to outrun them? Now also as a 2-player game and beginners version for ages 8 an up!"
Included in the game are 2 rules manuals; one for beginners with simplified rules and a second manual for the full game, with a section for the 2-player game included at the end.