Many games have since been made emulating DotA’s basic principle, and an entire genre has been created in its honor. MOBA (Multiplayer Online Battle Arena) games have grown at a phenomenal rate, and an example of success is League of Legends. Enter DotA 2. The first true successor to the original custom map is currently in-development by Valve and in closed beta. More people are added frequently, with online numbers reaching around 30,000 people at any time of the day.