Games like League of Legends and Dota 2 have been inescapable forces in the gaming world, but those uninitiated to the genre might be left wondering why they're so popular.
Both these games are part of a genre called MOBAs, or "multiplayer online battle arenas." Not only are they converting gamers, and their dollars, by the millions, they're attracting publishers all over the world to develop games around this frenetically paced, highly competitive model.
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If you're in the dark about what these games are and why they are so important, check out our Mashable Explains video above. If you like it, be sure to subscribe to the Mashable YouTube channel.