Roblox is stepping up its age verification system for users who want to privately message other players and implementing age-based chats so kids, teens and adults will only be able to message people around their own age.

The moves come as the popular gaming platform continues to face criticism and lawsuits over child safety and a growing number of states and countries are implementing age verification laws.

The company had previously announced the age estimation tool, which is provided by a company called Persona, in July. It requires players to take a video selfie that will be used to estimate their age. Roblox says the videos are deleted after the age check is processed. Users are not required to submit a face scan to use the platform, only if they want to chat with other users.

Roblox doesn't allow kids under 13 to chat with other users outside of games unless they have explicit parental permission — and unlike different platforms, it does not encrypt private chat conversations, so it can monitor and moderate them.

While some experts have expressed caution about the reliability of facial age estimation tools, Matt Kaufman, chief safety officer at Roblox, said that between the ages of about five to 25, the system can accurately estimate a person's age within one or two years.

"But of course, there's always people who may be well outside of a traditional bell curve. And in those cases, if you disagree with the estimate that comes back, then you can provide an ID or use parental consent in order to correct that," he said.

After users go through the age checks, they will be assigned to age groups ranging from under nine, nine to 12, 13 to 15, 16 to 17, 18 to 20 and over 21. Users will then be able to chat with their age... Read More