Scenario

A scenario means the time and the event happening in a map, for example Barbarian Invasion, Anno 1200 etc.

All maps got scenarios. They usually represent different time.

Special scenario
Normal scenario are usually fair, with a fine economic income.

Caveman
Caveman scenario is special scenario, since you won't be able to get tax until your population had become better.

Capitals
In this scenario, each country own a huge city, when all other neutral lands got >1000 population and 0% happiness.

Invasion scenario
Invasion scenarios usually got a/some powerful country(s).

Barbarian invasion
The Huns had arrived the Eastern Europe. The whole Europe will be at war against the Huns, when Huns got a much better number of starting troops and economic.

Invasion of Japan
Japan is a strong country, when all foreign countries want to invade her. Being Japan with large cities and high economy, you need to face the attack of foreign countries from sea. They foreign countries got a lot of troops, and they are all at war against you, however not alliance when themselves.

No Surrender 1945
In this scenario, Japanese refused to surrender in 1945. You can choose to be the Koreans, being neutral. Or Japanese, defeat the alliance force, change the history! Or you can be the alliance force, fight for justice.

Weird point
China, being a member in the alliance force, was, however, not allied with other alliance force. So sometimes the alliance force may attack China!