Robux and membership can be bought in the Roblox Mobile App found on the iTunes, Google Play, and Amazon app stores.
Making a Game and Earning Robux One of the most effective ways to earn free Robux is by creating your own Roblox world or game. Each time a player visits your world or downloads your game, you'll earn Robux. Additionally, creating in-game items available for purchase can also generate commissions.