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Steam News14 March 20263mo ago

Nation Templates, Scenario Editor, Release any Civilization as a Vassal

Civilization Templates Civilization Templates allow you to assign all provinces to a civilization with a single click, based on a pre-generated historical time period for that Civilization.

In this update13

Full notes

Full Age of History 3 update

Read the full published notes in a cleaner layout. The original post stays linked below.

What changed

0 fixes9 additions5 changes0 removals
  • Maps
  • Gameplay
  • UI and audio
  • Compatibility
changedTo generate new Civilization Templates, go to:Editor -> Map Editor -> MAP -> Generate: Templates Everything will be done automatically.
addedTake Provinces from Enemy Allies in a Peace Treaty: On/OffA new toggle option “Take Provinces from Enemy Allies in a Peace Treaty: On/Off” has been added.
changedTake Provinces from Enemy Allies in a Peace Treaty: On/OffYou can find this button in:
changed2. In game Escape menuBy clicking the button, you can enable or disable the ability to take provinces from enemy allies during peace treaties.
added2. In game Escape menuThis setting is not saved and will reset when the game restarts. If you want this feature enabled permanently, check out the mod below. https://steamcommunity.com/sharedfiles/filedetails/?id=3356687742
addedCreate Civ, Flags remastered in higher resolutionRemastered flags in the "Create a Civilization" menu, now available in a higher resolution, increased from 68x44 px to 154x100 px.

Age of History 3 changes

changedEditor -> Map Editor -> MAP -> Generate: Templates Everything will be done automatically.
addedA new toggle option “Take Provinces from Enemy Allies in a Peace Treaty: On/Off” has been added.
changedYou can find this button in:
changedBy clicking the button, you can enable or disable the ability to take provinces from enemy allies during peace treaties.
addedThis setting is not saved and will reset when the game restarts. If you want this feature enabled permanently, check out the mod below. https://steamcommunity.com/sharedfiles/filedetails/?id=3356687742

Civilization Templates

Civilization Templates allow you to assign all provinces to a civilization with a single click, based on a pre-generated historical time period for that Civilization.

To generate new Civilization Templates, go to:

Editor -> Map Editor -> MAP -> Generate: Templates Everything will be done automatically.

Mod: Civilization Templates+

https://steamcommunity.com/sharedfiles/filedetails/?id=3685025641

Take Provinces from Enemy Allies in a Peace Treaty: On/Off

A new toggle option “Take Provinces from Enemy Allies in a Peace Treaty: On/Off” has been added.

You can find this button in:

1. Options menu in the New Game, before starting a game

2. In game Escape menu

By clicking the button, you can enable or disable the ability to take provinces from enemy allies during peace treaties.

This setting is not saved and will reset when the game restarts. If you want this feature enabled permanently, check out the mod below. https://steamcommunity.com/sharedfiles/filedetails/?id=3356687742

Create Civ, Flags remastered in higher resolution

Remastered flags in the "Create a Civilization" menu, now available in a higher resolution, increased from 68x44 px to 154x100 px.

This update also includes all previous unreleased beta test updates.

Host Diplomatic Summit

  • Civilization can host a summit in their capital and invite several Civilizations to improve relations between all parties.

https://www.youtube.com/watch?v=yFpt34_AtDQ

Unions

New diplomacy option: Form Union If a union proposal is accepted, the Civilizations will merge into one.

Here you can see how it works:

New values for: game/gameValues/GV_Diplomacy.json

DIPLOMACY_UNION_COST: 25, MAX_UNIONS: 1,

Age of Chaos

Age of Chaos is a new way to play Age of History. Every 20 years, you will have to change the Civilization you control and switch to a new one.

You will be given four random Civilization to choose from. Pick one and continue your journey, even if it means one day fighting the empire you once ruled.

How to enable new mode:

Before starting a new game, click on Settings, and in the menu, you can enable Age of Chaos mode.

You can also change the time period when the Age of Chaos (Change of Civilization) happens.

Send Ultimatums to Your Vassals.

Now you can now send an ultimatum to your vassals. You can demand provinces or full annexation. It is important to have a larger army than your vassal for the ultimatum to be accepted.

You can send an ultimatum by opening the civilization's diplomacy view:

Once your army is much bigger, the ultimatum should be accepted.

New GameValues, GV_Diplomacy.json:

DIPLOMACY_SEND_ULTIMATUM_COST: 10, DIPLOMACY_SEND_ULTIMATUM_COST_LEGACY: 10, ULTIMATUM_ARMY_MODIFIER: 1.75, ULTIMATUM_RELATION_CHANGE: -25,

Players can now release any Civilization as a Vassal from a full list of all civilizations in the game.

Geater control over vassal management! Players can now release any Civilization as a Vassal from a comprehensive list of all civilizations in the game. This feature allows for more strategic empire management, enabling players to reshape borders, delegate governance, and create new diplomatic opportunities.

Whether you want to grant independence to a former rival or establish buffer states, this update provides enhanced flexibility in how you shape the world.

-> Open Council -> Vassals -> Select Civilization -> Select provinces on map -> Release a Vassal

Source

Steam News / 14 March 2026

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