a digital, mind-game, based on Raymond M. Smullyan's book  "THE LADY OR THE TIGER? and other logic puzzles".
 
story:
There is the Prisoner, the Lady, the Tiger and two doors.
The Lady and the Tiger are hidden behind the doors.
The Prisoner should solve the riddle and choose the door where the Lady is hidden. So he will be free.
 
below are some screenshots:
intro screen
the eleven prisoners
prisoner should solve the riddle
door to freedom
prisoner meets the tiger
love street
a happy ending