Roblox has had in-game development tools via its Studio feature for a while, offering users the chance to create entire games that can then be published for other players and monetized.

Roblox is also giving developers more ways to earn on the Roblox platform through improvements in sponsored content and the ability for some developers to create and sell their own avatar items.

SAN FRANCISCO—At the Game Developers Conference Monday, Roblox rolled out a new set of AI tools designed to let the company's millions of player-creators create usable game code and in-game 2D ...