One of the unique features of Roblox is that it allows players to create their own games using the Roblox Studio, a game development tool that utilizes a simple drag-and-drop interface.

Janzen Madsen is a 25-year-old game designer from New Zealand. Madsen creates new games on Roblox and updates his previous games to keep up a revenue stream. He made nearly $40,000 in his first year ...