Social network cyberbullying phenomenon Blue Whale Challenge, also known simply as the Blue Whale, is a social network phenomenon, first appeared in Russia in 2013, that is claimed to exist in several countries. It is a "game" reportedly consisting of a series of tasks assigned to players by administrators over a 50-day period, which are initially innocuous and then introduce elements of self-harm, with the final challenge requiring the player to kill themselves. Wikipedia's most-read article for 2 days in a row: 420,359 views in all, peaking at 233,941 on September 1, 2017. Fri, Sep 1: 233,941 views Sat, Sep 2: 186,418 views Wiki link