Calling all game developers on a low marketing budget: don't worry, there's still hope, despite crazy rising advertisement costs. In this presentation you will learn how successful indie games use virality techniques to grow their user base with $0 spent on UA. The findings will be presented as clear action steps for you to use in your game. Aurora will address discovery, onboarding, and growth through your existing user base from word-of-mouth and virality. The focus will be on indie games that have reached the top of the App Store or have millions of users.