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Crusader Kings III: All Under Heaven cover art

DLC / add-on · Paradox Interactive

Crusader Kings III: All Under Heaven

SteamEurope and UK. Activates on accounts registered in 32 countries: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czechia, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Liechtenstein, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, United Kingdom.PEGI12

With All Under Heaven, the vast and dynamic history of Asia comes to life. Claim the Mandate, unite your people, and shape the future of empires in this monumental expansion for Crusader Kings III.

Before you buy

Redeem on
Steam clientPC: Windows, macOS, Linux. Needs a free Steam account.
Activates in
Europe and UK. Activates on accounts registered in 32 countries: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czechia, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Liechtenstein, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, United Kingdom.Activates on accounts registered in the EU, EEA, Switzerland and the United Kingdom.Will not activate on accounts registered in North America, Asia, Latin America or Oceania.
You get
A digital activation keyAn add-on. You need the base game on the same account.
Delivery
To your account and by emailDelivered to your account and by email once it is ready. Some orders get a short manual check first.

Trailers and screenshots

01 / 10 Trailer

Crusader Kings III: All Under Heaven

Trailer 1 of 2

About this add-on

Claim the Mandate of Heaven

The world of Crusader Kings III is expanding. In All Under Heaven – the game’s fourth Major Expansion – the map extends to Asia to include the rich and storied lands of China, Japan, and Southeast Asia. Lead legendary warrior houses, manage vast empires and navigate intricate power struggles in this vibrant region filled with history, culture and innovation.

Whether you aim to unify Japan under your house, claim the Mandate of Heaven in China, or thrive as a God-King in Southeast Asia, All Under Heaven expands the boundaries of Crusader Kings III on a monumental scale.

Key Features

  • China: The Mandate of Heaven

    • Ascend to the highest tier of power with the new Hegemony title, reigning supreme over all empires in the Chinese region.

    • Navigate the Dynastic Cycle, a living system of stability and chaos. Exploit periods of instability to rise to power and reshape the political landscape.

    • Explore the Celestial government system, unique to China. Earn Merit through deeds or the Imperial Examinations, gaining favor and influence.

    • Manage the Imperial Treasury to fund Great Projects, defend against disasters, or expand your influence with statecraft and might.

  • Japan: Rise of the Shogunate

    • Take control of a Japanese House and forge your destiny. Rise through the intricate courtly system to become a mighty Shogun or Kampaku regent.

    • Strengthen your position through alliances, intrigue, and ritual, or unite the Houses through the strength of your samurai armies; which path you take is for you to decide.

    • Lead the Imperial Yamato House to restore power to the Emperor, ushering in an age of imperial grandeur.

    • Experience the rich cultural traditions of Japan, where honor and scandal intertwine, shaping the lives of lords and vassals alike.

  • Southeast Asia: God-Kings and Temple Empires

    • Rule as a Devaraja with the Mandala Government, uniting tributaries into vast, temple-centered empires.

    • Choose what type of deity you want to be by selecting a Devaraja Aspect that grows in strength if you live up to its promise.

    • Pay tribute to the God King by performing Tributary Missions as a Tributary ruler, increasing favor with your subjects. Or become a God King yourself!

  • Explore the Silk Road, new Bookmarks and Flavor

    • Thrive along the expansive Silk Road, as wealth and innovation trace their way across a continent.

    • New historical starting bookmarks bring fresh perspectives and historical challenges. Play as iconic characters from the past or forge your unique path.

    • Immerse yourself in Asia's cultural, artistic, and historical nuances with new throne rooms, events, and traditions.

Description, images and details are taken from this product's Steam page.

Details

Developer
Paradox Development Studio
Publisher
Paradox Interactive
Base game
Crusader Kings III
Released
28 Oct, 2025
Genres
RPG, Strategy, Simulation
Runs on
Windows, macOS, Linux
Activates on
Steam client, Europe and UK
Interface
English, French, German, Spanish - Spain, Russian, Simplified Chinese, Korean, Polish, Japanese
Full audio
English
Age rating
PEGI 12
  • Single-player
  • Multi-player
  • PvP
  • Online PvP
  • Downloadable Content
  • Steam Achievements
  • Steam Trading Cards
  • Steam Workshop
  • Steam Cloud
  • Remote Play on Tablet
  • Family Sharing
PEGI12

Rated PEGI 12. Suitable for ages 12 and over.Content: Bad Language, Sex, Violence.This game features moderate violence portrayed in an unrealistic manner, with textual references of violence towards defenseless characters, such as children. There is use of offensive language, and depictions of nudity with textual references to sexual activity. There are also textual references to the use of illegal drugs and alcohol.

System requirements

Windows

  • Requires a 64-bit processor and operating system
Crusader Kings III: All Under Heaven system requirements on Windows
ComponentMinimumRecommended
OSWindows® 10 Home 64 bitWindows® 10 (64-bit) or Windows® 11
ProcessorIntel Core i5-750 | AMD FX 4300Intel Core i5-8400 | AMD Ryzen 5 1600X
Memory8 GB RAM16 GB RAM
GraphicsNVIDIA GeForce GTX 660 | AMD Radeon HD 7870 | Intel Arc A310 | Intel Iris Plus G7 | AMD Radeon Vega 11NVIDIA GeForce GTX 970 | AMD Radeon RX 480 | Intel Arc A580
Storage20 GB available space20 GB available space
Additional NotesSSD or NVME drive recommended
macOS
Crusader Kings III: All Under Heaven system requirements on macOS
ComponentMinimumRecommended
OSmacOS Monterey v12.6 or newerCatalina (MAC OS X 10.15)
ProcessorIntel Core i5-6500 or newer | Apple M1 or newerIntel® Core™ i5-7600K
Memory8 GB RAM16 GB RAM
GraphicsAMD Radeon R9 M380 2GB or better (for Intel systems) | Intel Iris Plus G7 | AMD Radeon Vega 11 | Apple M1 integrated GPUAMD® Radeon™ PRO 580 (8GB)
Storage20 GB available space20 GB available space
Linux / SteamOS
Crusader Kings III: All Under Heaven system requirements on Linux / SteamOS
ComponentMinimumRecommended
OSUbuntu 20.04 LTSUbuntu 20.04 LTS
ProcessorIntel Core i5-750 | AMD FX 4300Intel Core i5-8400 | AMD Ryzen 5 1600X
Memory8 GB RAM16 GB RAM
GraphicsNVIDIA GeForce GTX 660 | AMD Radeon HD 7870 | Intel Arc A310 | Intel Iris Plus G7 | AMD Radeon Vega 11NVIDIA GeForce GTX 970 | AMD Radeon RX 480 | Intel Arc A580
Storage20 GB available space20 GB available space
Additional NotesSSD or NVME drive recommended

Activating it on Steam client

  1. Open the Steam client and sign in.
  2. Choose Games in the top menu, then Activate a Product on Steam.
  3. Paste the key and confirm. It appears in your library.
  4. You need the base game on the same account.

The key is listed for the Europe and UK. Activates on accounts registered in 32 countries: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czechia, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Liechtenstein, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, United Kingdom. region. Read how regions work before you buy.

Crusader Kings III: All Under Heaven€32.09