Play this 2 wonderful games about the Spanish Explorers of the Modern Age and the Roman Empire from the Ancient History.

http://www.educa2.madrid.org/cms_tools/files/311446b7-f0ed-4d17-a489-9e7f2f28cef8/index.html
http://www.educa2.madrid.org/cms_tools/files/cbce8d52-8086-483e-bbcb-a151decdef7b/index.html