The McPwn Europe Scenario is a large map of Europe with 8 nations which are the following: Great Britain, France, Spain, Italy (Rome), Germany, Greece, The Netherlands and Russia. To play as a certain nation you select the scenario with that nation's name on. To install the scenario you simply follow these steps:
1. Go into My Documents
2. Go into My Games
3. Go into Rise of Nations
4. Go into Scenarios
5. Simply place all the files into the scenarios file.