The Blue Whale Game – Are lonely teens losing lives in loony games?

How can a silly internet game manipulate the minds of people the world over, and make them do grotesque tasks!? Can a person really be manipulated into committing suicide, no matter how mentally strong he is? Does this so-called “Blue Whale Challenge” give him enough courage to resort to anything to end his life? How exactly are they able to do it on such a large scale?