Largest music concert in a videogame by a single artist

Largest music concert in a videogame by a single artist
Apply Now
Who
Steal a Brainrot, Roblox, Bruno Mars
What
12,862,161 people
Where
Not Applicable
When
17 January 2026

The largest music concert in a videogame by a single artist is 12,862,161 concurrent viewers, achieved by Bruno Mars (USA) and hosted by Steal a Brainrot/Roblox, on 17 January 2026.

Steal a Brainrot is a base-defence/tycoon game where players collect and defend "Brainrot" characters (voxel characters based on internet memes). Bruno Mars appeared as a virtual Roblox avatar to perform his new single "I Just Might" and 2012 hit "Locked Out of Heaven."

Along with the concert, Bruno Mars was released as limited edition brainrot called Brunito Marsito.