The Momo Challenge is a viral internet game that allegedly targets young children by encouraging them to text a number on WhatsApp, which then sends them instructions to complete a series of increasingly bizarre and dangerous tasks from watching a horror movie to engaging in self-harm to taking their own lives. The game appears to have started in a Facebook group where members were challenged to start communications with an unknown number, despite warnings. There are multiple phone numbers proclaiming to be “Momo” with area codes from Japan, Mexico, and Colombia. However, most phone numbers supposedly associated with "Momo" were out of service by September 2018, and the news coverage of the phenomenon decreased. The Momo Challenge is considered a hoax and an internet urban legend that was rumored to spread through social media and other outlets. Cyber experts suggest that the challenge is a hoax aimed at stealing personal information.