Video Games Will Be an Olympic Sport

There's a ton of money in Esports ... and there could be GOLD in video games soon too ... 'cause Fortnite superstar Ninja says gaming WILL be in the Olympics -- it's just a matter of time.

Of course, Esports is bigger than ever -- the prize pool for the Fortnite World Cup was $30 MILLION in July (shout-out to 16-year-old gamer Bugha, who took home $3 milli for winning).

Ninja doesn't think the sport's done growing ... 'cause he says gamers will be representing their country on the sticks VERY soon.

"For me, I just think it's going to be time," Ninja tells TMZ Sports. "I think that obviously, the younger generation enjoys Esports and enjoys watching video games. Eventually, that's what they're…