I am considering buying this game for my 8 year old son. I was wondering if there are any offline versions available and if so is it worth it playing offline? I only worry about him being so young and having to deal with others in the online world who can be complete DB's...(pervs and vulgar punks...etc) He wants to recreate an angry birds type sim in minecraft. The boy loves to create and I want to enhance that ability but I'm concerned about online behavior so my question is obviously two fold. Is there an offline? And if not how can assure that nothing goes wrong with him while he is online?