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 ...

Armor of Henry II, King of France (reigned 1547–59) transforms into a wearable Roblox avatar via a free new app. A Roman warrior receiving a tribute of arms from two kneeling women adorns the breast, ...