The use of the internet has increased among adolescents in recent years. Although internet offers many opportunities such as socializing, obtaining information, it also has the potential to affect vulnerable individuals negatively. Recently the blue whale game, known as the blue whale challenge has attracted the attention of the public with numerous reports that young people from all over the world have harmed themselves due to the commands requested in the game. This and similar dangers should be recognized, and families should be warned and the necessary actions should be taken to protect children and adolescents in society. We describe a suicide case followed in the pediatric intensive care unit in order to raise awareness that computer games such as the blue whale game that adolescents can easily access via the internet can have fatal consequences