- Incorporate Vassal - New Diplomacy Action - 2 August 2026
Added a new diplomatic action: Incorporate Vassal. Spend Gold to begin incorporating your vassal. Provinces will be annexed gradually as long as relations remain favorable. Features: Added a new Incorporate Vassal button in the diplomacy menu. Vassals can be incorporated over time. Requires positive relations with the vassal. Requires a Gold payment to start the process. Provinces are gradually incorporated during the integration process. Added new notifications for: Incorporation started. Province incorporated. Incorporation completed. GameValues: GV_Diplomacy.json INCORPORATE_DIPLO_COST: 30, INCORPORATE_MIN_RELATION: 50, INCORPORATE_COST_MIN: 25, INCORPORATE_COST_PER_PROVINCE: 0.25, INCORPORATE_MIN_PROVINCES: 1, INCORPORATE_MIN_PROVINCES_PERC: 0.05,
- Gold Advantage Balance - 1 May 2026
Gold Advantage Balance Reduced the strength of the Civilization advantage "Gold" Reduced values from 150/200/300 to 30/40/50. It provided too much of an advantage and was almost always chosen. Map Province and civilization names now have a white text outline. Province names also have increased opacity for better visibility.
- Nuclear Restrictions & Scenario Editor Improvements - 24 April 2026
Nukes restricted to top 14 Civilizations Nuclear weapons can only be built by the top ranked Civilizations. You can change the limit By default, only the top 14 civilizations can build nukes. This number can be changed in the options before starting a game. Scenario Editor Added a new option: "Assign Neutral Provinces Only". When enabled, only neutral provinces can have their civilization changed in the Assign Provinces menu. Provinces already controlled by Civilizations will be ignored, helping prevent accidental reassignment and making scenario editing more precise. Added missing translations Minor bug fixes
- New White Peace Event Outcome Added - 31 March 2026
New event outcomes It is now possible to have a white peace outcome. ## The civilization will sign a white peace with all civilizations it is at war with. white_peace=pol ## White peace between two selected civilizations: white_peace2=pol=bohe Example: id=J_areWHITE title=White peace Test desc=White peace with all Civilizations image=49.png show_in_missions=true mission_image=1 only_once=true trigger_and next_and year_over=1442 trigger_and_end option_btn name=Do the White Peace ai=25 white_peace2=pol=bohe option_end option_btn name=Do the White Peace All Civilizations ai=25 white_peace=pol option_end
- Add Civilizations Before Game Start - 31 March 2026
Add Civilizations Before Game Start Add new Civilizations to a scenario before starting a game without using the scenario editor, letting you jump straight into gameplay with your chosen setup. A feature from the upcoming Age of History 2: Definitive Edition. https://store.steampowered.com/app/3381680/Age_of_History_2_Definitive_Edition/ Age of History 3 - Add Civilization Before Game Start Quickly add new Civilizations to your scenario before starting the game, no editor needed. Bug Fixes Fixed issues when releasing a new Civilization as a vassal in-game. Mac Version Updated Mac users who want to use Civilization templates must subscribe to this mod due to file limits in the Mac version of the game. https://steamcommunity.com/sharedfiles/filedetails/?id=3685025641
- Bug Fixes, Beta multiplayer and New Debug Launch Option - 29 March 2026
Bug Fixes Fixed a bug from the last update where unions were always accepted and formable civilizations could always be created. Added a new launch option, game_debug.bat, to the game files. It opens the game along with a console to display useful errors while working on a mod. Beta multiplayer: Fixed an issue where upgrading the capital city would upgrade the military academy instead. Beta multiplayer now uses the latest base game version when launched in single-player mode.
- Balance Changes & Bug Fixes - 25 March 2026
Balance Balances technology in the capital city Recruitment of all units takes less time Bug Fixes Fixes a bug with religions when using some mods Fixes a bug where scenarios can disappear when the game has mods Fixes a bug where, when forming a civilization, the civilization doesn’t exist bug Fixes a bug where bonuses for built wonders for civilizations and provinces didn’t load Fixes a bug where, after a union and then forming a civilization, loading the save causes the name and flag to revert to the union
- Balance & Bug Fix Update - 16 March 2026
Bug Fixes Fixed fog of war bug after forming a Union. New A province must be occupied to take it in a peace treaty if "Take provinces from anyone in peace treaties" is activated. Balance Gifts are now more expensive and improve relations less. Decreased maximum research.
- Nation Templates, Scenario Editor, Release any Civilization as a Vassal - 14 March 2026
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 en…
- Host Diplomatic Summit - Diplomacy - 17 August 2025
The last great summit between two world powers showed how dialogue, even among rivals, can open the door to easing tensions and finding common ground. Now, civilizations can pursue that same path through a new feature: 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 Join the beta test before the update launch. To try the BETA, please follow these steps: Open Steam Right-click on Age of History 3 in your library Select Properties Go to the BETAS tab From the "Beta participation" drop-down list, choose "betatests" Wait for the game files to update. If nothing happens, restart the Steam client Launch the game
- Union Fixes - 6 August 2025
Union Fixes When creating a union with a special alliance like the HRE, the civilization will now be added to the alliance if it wasn't already a member. If a union is created with the Emperor or the alliance leader, the player will become the new Emperor. Manpower, regiment limit, and income bonuses are now correctly awarded after becoming Emperor. Unions are disabled when playing in Age of Chaos mode. Minor bug fixes
- Mac version updated - 28 July 2025
The Mac version has been updated.
- Optimization Update - 28 July 2025
Small Optimization Update, but with noticeable improvements, possibly even significantly reducing RAM usage during long play sessions.
- Union Improvements - 26 July 2025
Union Improvements When a union is formed, the vassals of the second Civilization are now transferred to the union leader. The union leader will now gain cores on all provinces that join the union.
- Unions - 25 July 2025
Join the beta test before the update launch. To try the BETA, please follow these steps: Open Steam Right-click on Age of History 3 in your library Select Properties Go to the BETAS tab From the "Beta participation" drop-down list, choose "betatests" Wait for the game files to update. If nothing happens, restart the Steam client Launch the game 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, Have fun!
- Age of Chaos - New Game Mode - 5 July 2025
Join the beta test before the update launch. To try the BETA, please follow these steps: Open Steam Right-click on Age of History 3 in your library Select Properties Go to the BETAS tab From the "Beta participation" drop-down list, choose "betatests" Wait for the game files to update. If nothing happens, restart the Steam client Launch the game 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. Have fun! Presentation of…
- Province Optimization Regions - Hotfix - 17 June 2025
Province Optimization Regions - Hotfix Due to an unknown reason, the Province Optimization Regions were incorrect. This has been fixed in the update. The file: map/Earth3/data/ProvinceOptimizationRegions.txt Province Optimization Regions help reduce the number of calculations required when rendering all of the provinces.
- Send Ultimatums to Your Vassals - Beta Update - 19 May 2025
Join the beta test before the update launch. To try the BETA, please follow these steps: Open Steam Right-click on Age of History 3 in your library Select Properties Go to the BETAS tab From the "Beta participation" drop-down list, choose "betatests" Wait for the game files to update. If nothing happens, restart the Steam client Launch the game Send Ultimatums to Your Vassals. With this beta update, 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 - Beta Update - 12 February 2025
Join the beta test before the update launch. To try the BETA, please follow these steps: Open Steam Right-click on Age of History 3 in your library Select Properties Go to the BETAS tab From the "Beta participation" drop-down list, choose "betatests" Wait for the game files to update. If nothing happens, restart the Steam client Launch the game Players can now release any Civilization as a Vassal from a full list of all civilizations in the game. A new beta update introduces greater 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 enh…
- Update QOL improvements - 12 January 2025
Added an option to sell provinces by selecting them on the map. In the sidebar build menu: If a building is constructed or under construction in every province, the building button will turn green. Use the right mouse button to construct the selected building in all provinces. The Monaco province now has access to the sea. Fixed maximum diplomacy points calculation. Buildings maintenance cost, fixed. Move units AI, pathfinding optimization. AI will focus more on research buildings. AI will upgrade military academies more frequently on higher difficulty levels than on normal. AI will prioritize upgrading military academies for generals more often on higher difficulty levels than on normal. AI will upgrade the capital city more frequently on higher difficulty levels than on normal. Increased cost of researching technologies. Increased cost of recruiting armies. Increased cost of maintaini…
