This has been hitting kids internationally. Wonder who's behind this? Mengele and Himmler would be proud to know that youth today is so ready for programming that they will leap to their death at the bequest of a game... Note that in the video the investigator asked the curator what is meant by saying that once you start the game there's no way out to which the curator replied that they have all of your information and they will come for you.

https://www.thesun.co.uk/tech/3003805/blue-whale-suicide-game-online-victims/