From coding assistance to immersive voice acting, AI is reshaping how Roblox games are made and experienced. Developers can now use AI to script, moderate, and even dub characters in real time.

Children are moving from playing games to creating immersive experiences, thanks to the ease of Luau scripting offered by platforms like Roblox.

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 ...