Double Crossroads is a game about two assassins hunting each other. They are getting directions from you - and you want them both dead. Hence, you are feeding them the same instruction - trying to get them to have a duel. If they have a duel, they both shoot each other off, taking to their graves your involvement.
If you wish to play the game on an HTML 5 enabled browser, you can play it on Gamejolt here.
You can download the game for Android from the link below.