In the United States, suicide rates have increased 60% over the last 50 years, depression is predicted to be the second-most prevalent health condition in the world within 5 years, and 1 in 3 regular kids have already engaged in self-injury by the time they reach adolescence. Just like learning math or a foreign language, research has shown that practicing a certain skills can lead to greater emotional health, well-being, and fewer mental health issues. Lifenik is a research-based web and mobile application that makes online kids games and activities that strengthen neurocognitive processes that promote emotional health. It aims to develop fun, accessible, and affordable programs for children with no way to prevent or treat mental health issues.