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 ...

Building your ideal theme park is a long-lost childhood dream to many, but "Build a Roller Coaster" on "Roblox" will make it happen even in just a virtual setting. The game simplifies the process by ...