Hitman Sniper Challenge is a mini game you get for free when pre ordering Hitman Absolution on steam i don't know if you can get it any other way. You take on the role as Hitman aka mr 47 the most bad ass assassin in the world. To take out a target and his 14 bodyguards under 15min. You can also shoot a number of other things in the game to get extra points like pigeons stripper clods gnomes and more enjoy! :)
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