The industry may be struggling, but being surrounded by 20,000 fans in the O2 arena reminded me that gaming isn’t just a business – it represents culture and community• Don’t get Pushing Buttons delivered to your inbox? Sign up hereGiven the deluge of bad news emanating from the games industry over the past 10 months, it was somewhat reassuring this weekend to sit in a crowd of 20,000 happy, passionate fans, watching the biggest event in the esports calendar: the League of Legends world championship finals. The event, at the O2 arena in London, was the culmination of a globetrotting five-week competition to discover the best team in the world. Never having attended before – mostly because the final is usually held in Asia, where the best players tend to come from – I wasn’t really sure what to expect. Would I be able to follow what was happening? Would I care? It turns out the answers to those questions were “sort of” and “hell, yes”.For the uninitiated, League of Legends is a multiplayer online battle arena game (Moba for short) in which two teams of five players choose warriors from a selection of 170, and then battle to control a fantasy-themed map before destroying the other’s home base. The arena is divided into three lanes with an area known as the jungle in the middle, and each of the team members patrols their own specific section – like any traditional team sport. Adding complexity is the fact that all the champion characters have their own skills, weapons and magical attacks, and throughout the game, they also have to defeat monsters and dragons to earn experience points that make them more powerful. It’s both a deep strategy game and a bewildering riot of stomping warriors, galloping horse