Most Roblox games are free to play. However, you can charge people a fee to play your game (between 25 and 1,000 Robux) if you want to make money. People aren't buying your user-created game ...

After uploading your game, you can preview it before publishing it. Once satisfied with the game's functionality, click on the "Publish to Roblox" button to make it available to the public.