When he floated his idea on Facebook, he got more than 750 emails in the first two days, ABC News reported.
Autcraft is kept safe by technology and self-policing.
Plugins that block swearing, breaking items other players have built and fighting with one other during the game, ABC News that reported.
And while the kids are monitored, they are also rewarded when they are helpful or show responsibility and are given a rank like junior helper or senior helper. Those designations allow the players to mute someone.
To get access to Autcraft, players must be white-listed after an approximately two-week application process.
For more on Autcraft, click here.