Roblox’s trajectory generated interest from professional game developers, many of whom are now fighting to beat out children for success on the highly competitive platform.

Lua is one of a handful of languages that are helping kids try their hand at software programming amid a boom in online games and applications for devices such as the iPhone.

Roblox ’s VP of marketing told AListDaily in 2018, “From the very beginning, it was about having kids develop games for other kids.” DevEx’s terms require users to be 13 or over.

Roblox is something of a mix between a game and a development platform. It allows users to play games developed by other people, as well as create their own games. Now, the company is introducing ...