From Wiki Grepolis
You can conduct research in the Academy. Grepolis offers you various technologies that can fortify your troops, make your construction skills more effective or give you new battle techniques. The higher the expansion level of your Academy, the more technologies you can discover.
To learn how to conduct research, please read the Obtaining New Technologies article.
You will also need an academy on level 30 so you can do the following:
Theater Plays, Olympic Games & City Festivals.
Max Level : 36
|Level 1 to Level 7||Level 8 to Level 15||Level 16 to Level 30||Level 31 to Level 36|