League of Legends is not just one of the most popular games on Earth; it’s also one of the longest-running. The game was originally launched in October 2009. Since then, it has only grown in popularity and roster size, turning Riot Games into a billion-dollar company and birthing the modern MOBA genre. Now, one fan of the game has invented a new way to test players’ knowledge of the game’s map, Summoner’s Rift.

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