Adolescents can access gambling products via the Internet despite not being of legal age to gamble. There are also features of popular video games that are similar to gambling. There is growing concern over how online gambling and video gaming affect adolescents. This article is a rapid review of research related to online gambling and video gaming in adolescents. The aim is to explore age restrictions and other approaches that can discourage gambling in adolescents and prevent gambling-related harms. Several recommendations are made. Age restrictions in online gambling sites need to be more strictly enforced. The use of warning labels and pop-up messages may be effective in discouraging gambling. Also, gambling advertisements could not include any references to adolescents.