This is an in-depth strategy game and the complete pack has the original game and two downloadable expansions. There are about 250 nations to choose from and you can also take your pick from a wide variety of time period. You start off by choosing a character and a year. You can build on your territories and armies and moreover noteworthy dates as entry points and information about the nations at your disposal, including a difficulty rating is available.
The main game-play involves using the menu to perform various changes to your nations including altering your nation's form of government, passing new laws and acts, research preferences, advisor hiring, armies, taxes, and so on. You would need to consider the pros and cons of making a change because some changes cannot be reverted. This is a strategy game and after playing for a while, you should be able to form an idea as to where your nation is headed and plan accordingly. The most important task in the game is to research on new technologies and acquire the same. It would take some time to make new discoveries. This is a war based game and it is mainly about attacking, defending and seiging.
The campaigns are interesting and you need to strategically plan out your moves. There would be different approaches to attacking and defending your nation and it is about choosing the best one that gets the possible results. The game lays down basic objectives that need to be achieved in order to successfully finish a campaign. Your main goal is of course to reign over the world and you can choose to do that by waging a war, following some peaceful moves or by trading your way to success. The overall goal is to maintain every aspect of the government and at the same time achieve the small goals. There are plenty of new additions in this version which makes it even more compelling.