Li Gang, a fan of European medieval history, was beaten by illegal team members from the Dark Ages in a three-player melee game in Age of Empires 2. He was cursed by the system and was sucked into the computer screen and brought to the Middle Ages. Note: The author dares to destroy history instead of being a follower of history books. If you feel unwell, please seek medical attention immediately. Keywords: Age of Empires, Crusader Kings, Europa Universalis, Mount & Blade, Medieval 2 Total War. All the above games are covered in this book.

The reborn prince of the Swabian branch of the Hohenzollern family, Heichingen, is seeing the situation in Europe and a war is about to begin. This continent does not wait. Enclosure, immigration and development of East Africa, establishing the foundation of agriculture, one step at a time, using the crisis to achieve industrialization.

Travel back in time to 19th-century Greece and witness his rise from a small Balkan nation. Lead Greece to its great ideals, restore the glory of Rome, and make the name of "Rome" known from Ireland to Khitan! And this is Constantine, the only sun of the Balkan Peninsula, the heir of Komnenos, the second Aristotle, the world's restorer, the Turkic butcher, and the loving father of the Roman people: Rome has only one chance to be revived. If you don't seize it, then let me do it!

Tsar Peter the Great of Russia, Augustus the Strong of Saxony, King Christian of Denmark, Frederick I, the "Soldier King" of Brandenburg... Across the European continent, countless enemies aimed to crush the hegemony of the Swedish Empire. In the face of powerful adversaries, the Swedish King Karl XII—who hails from a future era—tells his soldiers: "Victory or death."