How to Buy Robux To buy Robux, select the gold Robux icon in the top right-hand corner of the screen when you load up the Roblox Player app. This will take you to the page shown above, where you ...

They're probably on Roblox, playing "Grow a Garden," which, as I typed this Thursday, had more than 2.2 million people playing — four times as many as the next most popular game.