Newsround meets Mr Moshi
20 September 2013 Last updated at 06:35 BST
Have you ever wondered what goes into making a game like Moshi Monsters?
About 80 million children look after their virtual monsters online and there are books, toys and even a film coming out too.
You told us you wanted to know how new monsters are designed and where the team get their ideas from.
So we put your questions to the man behind the monsters - Michael Acton Smith.