Roblox Studio is, like the game, free. Developers can make money through Roblox with its Developer Exchange program, or DevEx, which gives developers 25 percent of a game’s earnings.

The company has built one of the top-grossing apps for Apple and Google devices by turning youthful users into game creators without forcing them to learn complicated coding.

Talewind has raised $800,000 in a round of funding to create games for the Roblox user-generated content platform.