Marshmello's virtual 'Fortnite' concert was attended by 10 million concurrent players.

Marshmello

Marshmello

The 'Happier' hitmaker won Epic Games' E3 Pro-Am Tournament alongside Tyler 'Ninja' Blevins in 2018, and on Saturday (02.02.19), the world famous anonymous DJ hosted a free in-game show at Fortnite's Pleasant Park.

Taking to Twitter after the show, he wrote: "Holy!!! We just made history today. We can all tell our kids one day that we attended the first ever virtual concert @FortniteGame (sic)"

Now the producer of The Game Award, Geoff Keighley has claimed the staggering amount of gamers were watching simultaneously.

He tweeted: "Far From Alone: Sources are telling me there were more than *10 million concurrent players* watching the @marshmellomusic concert in @FortniteGame today - on top of the millions watching online. What a moment for gaming! (sic)"

Epic Games' executive Donald Mustard retweeting Geoff's post and added the fire emojis.

The concert kicked off around 7pm and saw players' weapons removed.

The DJ then played for 10 minutes with live audio coming from the marshmello hat-wearing star.

Those playing the game were able to hang around by her neon-lit stage.

As the show drew to a close, gamers had their weapons reactivated and carried on fighting.