When i open worldbuilder in a map it seems i can only add and edit civs I've already incorparated in the game from the start. This is really annoying.
So if I want add new civs to the game, do i have to edit the worldbuilder file in notebook? If yes, any programs i can use to avoid this?

Cheers...

The only way I know to add civs is by opening the world builder file as an xml file (for example, in notebook). The new civ also has to be included in your Civ Info xml file. This is not hard to do... I don't know why you'd want a program to help you do it...