YouTube/Riot
It's called "League of Legends" - "LoL," or "League" for short - and it regularly draws sell-out crowds to massive stadiums around the world.
It is, by far, the most popular eSports game played competitively, with popular teams making millions in sponsorship and winnings.
It's also a free game, meaning anyone can hop in and play at anytime. But trying to jump in to an already established community can be intimidating. Don't worry, we've got you covered.
Here's your simple, comprehensive breakdown to "League of Legends."