Roblox has always had a unique player base, and yet, even it can surprise itself by how many people play the title at once.

“Roblox is just fun. That’s what keeps people playing,” Roblox chief executive Dave Baszucki told GamesBeat. “The typical player spends more than 15 hours a week with us.

I made the big mistake of calling Roblox at 3AM, and things got really creepy fast. What started as a joke turned into something weird, unsettling, and downright terrifying. Was it just a ...