Buy Crusader Kings III: Chapter IV as a Steam key at Gamesplanet.com

A Year of Vast New Horizons

Chapter IV of Crusader Kings III invites you to explore the struggles of the nomadic way of life and the splendor of Eastern Asia. With a rich lineup of content releasing throughout 2025, Chapter IV brings new challenges, systems, and customization options that deepen your gameplay and expand the game map in thrilling new ways.

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March 12, 2025: Crowns of the World (Day One Unlock)

Crown Your Legacy

Kickstart your Chapter IV journey with Crowns of the World, a regal collection of cosmetic options to elevate your ruler’s appearance:

• 6 Stunning Crowns: Display the might of your sovereignty with a new set of crowns from around the world.
• 4 Hairstyles & 2 Beards: Customize your ruler with refined styles and facial hair options, ideal for adding a personal touch to your royal portrait.

Available immediately to Chapter IV Expansion Pass owners upon purchase.

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April 28, 2025: Khans of the Steppe (Core Expansion)

Rule the Steppe

Take control of the Great Steppe with Khans of the Steppe, a Core Expansion focused on nomadic life and the rise of the Great Khan. Experience the challenges of migration, warfare, and the brutal realities of life on the Steppe.

• Nomadic Government: Manage your Herd, migrate across regions, and establish your Dominance in the Great Steppe.
• The Steppe Region: Dynamic fertility changes force migration, adding depth to your strategies.
• Tributaries: Establish flexible subject relationships, gaining unique benefits for both ruler and subject.
• Become the Scourge of God: Lead your people to ultimate power as the Great Khan.
• Mongolian Flavor: Dive into Mongolian history with a new Bookmark as Temüjin, cultural events, and traditions such as new year’s celebrations with Tsagaan Sar.

Will you conquer the Steppe or be swept aside by its harsh demands?

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Q3 2025: Coronations (Event Pack)

Kneel for the Crowning

Take an oath and declare the vision of the ruler you aspire to be with the Coronations Event Pack. Establish your dominance and claim to power by hosting a grand coronation ceremony, instilling awe and respect in your subjects and neighboring monarchs alike.

• New Activity: Coronations
  • Legitimize your rule through grand coronations that will impress your vassals and neighboring rulers
  • Take an oath to decide upon how your rule will turn out
  • Bring together your vassals for a grand ceremony to celebrate your new rule of the realm
• New Councillor & Vassal Events

It is your time to step up as a ruler!

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Q4 2025: All Under Heaven (Major Expansion)

Claim the Mandate of Heaven

The map grows 30% larger with All Under Heaven, a Major Expansion that brings the splendor and complexity of Eastern Asia to Crusader Kings III. Rule over vast empires, lead legendary clans, and navigate intricate political landscapes from China to Japan and beyond.

• China: The Mandate of Heaven
  • Ascend to the Hegemony, a tier above emperors, and manage the Dynastic Cycle.
  • Use the Imperial Treasury and Meritocracy systems to maintain power or exploit instability to reshape the empire.
• Japan: Rise of the Shogunate
  • Lead a clan to power as Shogun, Kampaku, or Emperor.
  • Choose diplomacy or strength to unify Japan under your vision and guide the nation into a new era.
• Southeast Asia: God-Kings and Empires
  • Rule as a Devaraja with the Mandala Government, uniting tributaries into temple-centered empires.
  • Pay tribute to the God King by performing Tributary Missions as a Tributary ruler, increasing favor with your subjects.

With new bookmarks, regional flavor, and a vibrant cultural backdrop,

All Under Heaven lets you rewrite history in the East.