This time you will have to travel around the world if you want to complete all of your missions. The life of an assassin is not easy, but you are the best one out there. Sift Heads World 4 is presented to you by SolidGames.com and is sponsored by Games Free. This shooting game has been played 123,067 times by our visitors and currently has a rating of 87% after 7,095 votes.