They can't.
>Put children and everything also in
>the European Version this time!
That's impossible to do if they also want to sell the game in the UK and in Germany. They have strict laws about children being in games that have sex and violence in it. Sad but true.
>And also everything you need
>to complete every mission.
No, you don't. The fun part of a RPG is that you decide what you're going to do and what not. If you want to choose not to finish a sidequest that should be possible.