From playing at home to the arena, inside the billion-dollar eSports industry

These pro-players have turned video gaming into lucrative careers, complete with the all-star lifestyle of personal chefs, physical therapists and more.
9:12 | 03/22/19

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Transcript for From playing at home to the arena, inside the billion-dollar eSports industry
Reporter: It hits you like a ton of bricks. The roar of the crowd. It's like a pumped up mix of wrestle mania meets the super bowl. These are the sports stars of the future. And all around the world people pack into massive arenas just to watch them play. Video games. In a billion dollar industry, these pros, some still in their teens are wracking up wins and stacking up cash. I'm talking' six-figure salaries. Welcome to the world of Do you have a cheer, like? No. No. Reporter: For these five guys, gaming is life. Together they make up team liquid. My nickname is taco. I'm naf, I'm 20 years old. I'm 18. I'm 23 years old. My name is Jonathan, I'm 21 years old. Reporter: He is one of the top-ranked players in the world. I started playing counter strike 1.5 when I was about 4 years old. My dad didn't want my to play that much. He wanted me to play sports and do stuff outside. Reporter: By the time he was a 17-year-old senior, e-lige had signed on to one of his top teams. And now they're about to take on some of the world's best at a tournament in New York, on the line, a quarter of a million dollars. Their bread and butter is a game called counter strike, a five on five shooter competition. Success depends on seamless teamwork and strategy. I'm just going to go really light, guys. Reporter: Their coach is a former pro player himself. I'm known as zeus. I'm 30 years old. When people imagine gamers, they expect us to be in the basement. When we play in these arenas, it's something out of this world. We get to play in front of 20,000, 25,000. Reporter: They jet around the world and all across the U.S. I'm from a really small town. It really is an awesome opportunity, and I love it. Reporter: When they're not on the road, most American teams go back to Los Angeles where their franchises pay for them to live in mansions fit for a king. Today I'm hanging out with the Philadelphia fusion. Check out their crib here. This place is worth $5 million, man. And they tell me this is a little more typical about how teams get down and live and train together. Inside, a gamer's paradise. A training room, pool and gym. You have a court outside, hoops. Ping-pong. And training area, too. Huh? Yeah. Reporter: Team liquid is a little different. The players live in their own apartments, but they train here at this brand new 9,000 square foot state-of-the-art facility. So welcome. This is the alien ware training facility. Reporter: If were you to ask Serena Williams, what kind of racket are you going to use, she's going to be particular. And for our gamers, they want to be enabled to have the very best. Reporter: Each detail has been carefully thought out. From an on-staff personal chef to a pro-level supporting cast. We have mental coaches. Sports psychologists, physical therapists. So there's an army of folks that are dedicated to making sure these players up their performance. Reporter: And they have serious backing with legends like Michael Jordan and magic Johnson. You've come a long way from Pennsylvania, man. Ive been to pa I've been to Pennsylvania. It doesn't look like Santa Monica. I always have opportunities to do cool things with the team. Reporter: The company employs dozens of players who compete in 14 different games. If you have to explain it to a dude on the street what you do for a living, how would you explain it? I would explain like we're playing in the NBA and you rise up through the ranks and you're only focuses on one game. They think I'm playing multiple games, but I'm focussing all my time on one. Reporter: He actually started college but left school when it became clear his childhood hobby could become his real-life job. I missed about half the classes going to so many tournaments. Reporter: Half? And I still did really well, even missing half my classes. After that semester, I decided I can't do both, and I chose gaming. Reporter: Can you give me a ballpark figure in terms of what people in this space can make? I mean, if you are a pro player, depending on what game you play you can make millions. Reporter: A million or two a year? Yes. Reporter: Without a college education? Without a college education. Reporter: Now major universities are trying to get in on the action. Emily is the captain of her college's overwatch team. I definitely consider myself an athlete. Reporter: She has become a fearless female gamer in a male-dominated sport. Being a woman in e-sports is very daunting. You have to establish yourself. Gaining the trust of your players is just a tad bit Reporter: Originally, she started pursuing a career in music, but that all changed when she found out the school was launching an e-sports team. Once I entered the game design development and programming major I, I fell in love instantly. Reporter: This is part of a growing number of schools that are investing big money and creating academic majors in gaming. We need to get them out of their rooms and have them come and join a team. Reporter: Back in the big leagues, that tournament at Barclay's center is under way. I like drinking beer and watching people play video games. Reporter: Inside, the sheer size of this billion dollar industry is on full display. Vendors pack the lobby and corridors with team swag and all the latest tech. Go team liquid! Reporter: This one is extra special. His family is in the stands. He's living the dream. You can be pushing shopping carts at Walmart or doing this. Reporter: Are you proud of your brother? Absolutely. I'm so jealous of him. Reporter: And his team has made it to the main stage. If they win, $250,000, and of course bragging rights. Team liquid! Reporter: As team liquid enters the arena, the crowd is electric. As soon as you start hearing the crowd yelling your name or your team's name. Let's go liquid! It's just adrenaline. You know it's go time. Reporter: Then it's game time. The tension is high. Each millisecond counts. Good play. That is a slaughter from liquid. Reporter: Fans anxiously watching. Some holding their breath. This is more stressful to watch than to be a part of. Reporter: It's a close final. This is counter strike perfection right now. Stress at an all-time high for liquid in this series. Reporter: But in the end it's not enough. Team liquid defeated. They're the champions, mouse sports on Broadway! I think it was the worst defeat of my career, honestly. It was really heartbreaking. Reporter: Despite the tough loss, the guys put on their game face and go out to meet their fans. We haven't really had our biggest victory yet, but we really on the cusp of it, and I'm certain that we're going to have it very soon. Reporter: And he was right. Team liquid bounced back, kicking off 2019 with a new roster and new trophy, winning the first championship of the year. Right now I really hope I'm going to be staying in esports the rest of my life. Reporter: I'm Zachary kiesch in New York.

This transcript has been automatically generated and may not be 100% accurate.

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