The block-building and game-building title jumped in popularity last year.
Everyone loves building structures but Roblox is capitalizing on people who love to build games. Its online gaming network already has already grown into the millions of players.
Roblox, a kids virtual world that has grown to 5.7 million monthly unique visitors, raised $4 million in venture funding today.
With Roblox, kids are architects of their own games and learn software coding abilities that can help them later …