Fantasy Map Simulator — patch notes and updates
Stored observation / content update:
Dated developer announcements recorded from Steam. Open the source for the complete update.
| Update | Date | Excerpt / source |
|---|---|---|
| Custom Population, Province Defense, and Dynamic Army Size Limits | 2026-06-04 | This June 4, 2026 update focuses on custom province population, province defense, and dynamic army size limits. Custom population and defense: Added custom population settings to the Province panel. You can now set current population and max population for a province. Max population can be locked so load validation and map recalculation will not overwrite your custom value unless it is invalid. Added custom defense settings to the Province panel. You can now set current city defense, max city defense, and home battle efficiency. Custom defense values also support locking, giving custom maps and scenarios more stable province-level control. Ad |
| Military System, District Editing, and Workshop Upload Rework | 2026-04-20 | This April 20, 2026 update focuses on the new military system, district editing, and a rebuilt Workshop upload flow. Military system and military editor: Added a full military unit system. Unit types now affect recruitment tendencies, combat modifiers, land movement speed, and army icons on the map. The default set currently includes Infantry, Archer, Shield, Cavalry, and Elite. Different units now perform differently in recruitment, attack, and defense depending on terrain. States can inherit military units from their culture or switch to a custom state-specific setup. Cultures can also use the default set or their own custom unit setup. Add |
| Crash Fix for Map Editing | 2026-03-31 | Fixed crashes caused by a memory leak while editing maps. Please try painting the map with Autosave enabled in Map Editing -> Global Commands. If the game still crashes, please send your Player.log to fantasymapsimulator@gmail.com. Player.log path: %USERPROFILE%\\AppData\\LocalLow\\The Stranger Studio\\FantasyMapSimulator\\Player.log |
| Custom Naming, Custom Labels, and Editing Improvements | 2026-03-22 | This update focuses on country custom naming, custom labels, and map-editing workflow improvements. Country custom naming (State Panel -> State Actions): Added a new Custom Naming system for countries. You can now edit the state name and a full-name template separately. Templates support placeholders such as {Name} and {RestorationOrdinal}. Multi-language translations are supported for custom country names. Custom labels (Map Editing): Custom labels are now integrated into the Map Editing panel. Create and manage custom labels directly on the map. Labels now support font selection, font size, bold, italic, text color, outline color, and outli |
| Naval Overhaul, AI Global Config, and Autosave | 2026-02-12 | This update focuses on a major naval overhaul, AI global configuration upgrades, and the new autosave system. Quick controls: Press 1, 2, 3, 4, 5 to switch different map modes. Naval and trade updates: Added an independent navy and merchant-ship system; fixed infinite navy production and related lag. Navy count is now controlled by dynamic port quotas (default: 1 navy per 3 ports). Added port occupation/reclaim and blockade logic, including blockade markers. Navies can now engage and sink enemy merchant ships in sea battles, with rebuild cooldowns. Land armies now prefer embarking/disembarking via ports on long cross-sea routes. Navy, army, a |
| Family Editing Is Here and the 2026 Roadmap | 2026-01-06 | Family Editing Edit noble houses via Edit Map -> Edit Houses: split territories and delete houses. Manage members via Family Panel -> Members -> Family Tree: delete characters, arrange marriages, divorce, execute, and add children. Improved house territory allocation so expanding lands stay more contiguous and coherent. Added a new Family View in the Country panel (toggle from the action bar). World History Review The World History Review table is now available from the History screen via Full History, with event filters that apply to both full and yearly history and are saved to your config. More Improvements Pause Editing: most editing acti |
| Alliance interface complete with customization and family-trait fixes | 2025-12-01 | The alliance interface is now complete: customize alliance names and colors, press the 2 key to switch to the alliance view, lock an alliance so it never disbands, and expel members when needed. A new capital jump shortcut lets you click the capital entry under Basic Information in the country panel to open the capital province UI while centering the camera on it. Balance updates: higher odds for family purges and slightly shorter, less frequent family rebellions. Bug fixes: fixed mutually exclusive traits spawning together on new characters and the Cruel trait not taking effect. Preview: family editing tools arrive in the next update. |
| History log overhaul and giant-map optimizations | 2025-10-29 | The history log panel has been rebuilt so you can jump to any year and turn pages forward or backward with precision.Improvements:Heightmap and biome painting on huge maps now runs much smoother, eliminating the heavy stutter that used to happen after finishing a pass.Sea routes render faster by merging their meshes to cut draw calls.Bug fixes:Fixed some provinces inheriting tiles from neighboring provinces after generation.Fixed rebel wars continuously spawning new armies.Fixed the family tree panel occasionally opening with no characters.Fixed national borders failing to refresh after rivers were cleared.Fixed the Translate Map command unde |
| Army panel reset and river editing improvements | 2025-10-12 | Army panel reset with a unified style. River editing improved: you can now multi-select control points and a button was added to delete all rivers. The new river editing workflow is as follows: Left-click to select a river. Drag a box with the left mouse button to select river control points. Hold the left mouse button to drag selected control points. Alt + left-click to add a new control point. Shift + left-click to create a new river. Delete removes control points; if none are selected the entire river is deleted. Bug fixes: Fixed rivers becoming unselectable after dragging control points. Fixed some legacy maps losing their religions. Fixe |
| Family System, National Leaders, Civil War System, Religion Editor and RTS | 2025-09-16 | 1. Family System and National LeadersEach country now has different families, and based on their political system, countries have leaders with different titles.Leader Titles by Political System:- Kingdom: King/Queen- Empire: Emperor/Empress- Republic: Consul- Federation: Grand Consul- Tribal: Chief- Theocracy: Pope2. Character SystemCharacters have four core attributes:- Charisma: Affects diplomatic ability and public support- Military: Affects army combat effectiveness and war command ability- Diplomatic: Affects diplomatic negotiations and international relations- Administrative: Affects national management efficiency and tax collectionChar |
| June 21st Update Log | 2025-06-21 | Export Images and History Go to Menu > Options -> Export to select the content you want to export.Army Pathfinding Efficiency Optimization Significantly improved the efficiency of army pathfinding, reducing lag when there are large numbers of troops. |
| Culture View and New Editor UI | 2025-05-20 | Culture View, Alliance View, a new Editor UI views Press 1, 2, 3 to switch between Country, Alliance, and Culture views. Culture The Culture system includes regions where countries can emerge or rebel. The probability of a country's traits, ethnic attributes, and political system appearing is determined by weight values. Editor UI The UI for map editing has been remade. Currently, the Country Panel, Culture Panel, and Map Editing UIs are new versions. Other UIs will be remade successively in the future. Translation A built-in Microsoft translation function is now available for translating countries, cultures, and provinces. Global translation |
| Redesign Nation Panel UI | 2025-03-19 | Game Update Announcement Interface Improvements Redesigned Nation Panel UI with clearer categorization, including seven main sections: Basic, Action, War, Trait, Diplomacy, Resource, and History We plan to redesign other interfaces in the future Bug Fixes Fixed an issue where city names would display incorrectly when editing provinces in certain situations Fixed a problem where players couldn't immediately click on the map to view the nation panel when entering the game Fixed an issue where Latin-based text couldn't correctly display Chinese map place names. We will introduce an automatic map translation feature in the future |
| Mega Map and Wallpaper Mode Improvement Update Announcement | 2025-02-16 | 【Map System Update】 The mega map feature is now available! Map area has been expanded to 4 times larger, with the number of map cells doubled. Players can adjust the scale in "Map Editor -> Edit Height -> Map Scale". Added more map templates, which can generate more realistic world maps in conjunction with the mega map feature. 【Wallpaper Mode Optimization】 Added map interaction functionality, supporting click operations Added multi-screen support, allowing free selection of display screens Added two modes: non-interactive/interactive Non-interactive mode supports low frame rate settings, effectively reducing device heat Modes can be quickly |
| Editor Improvements Update Notes - January 16 | 2025-01-16 | I. Editor Logic Improvements When switching to different editing options, the corresponding view will now automatically switch without needing to adjust administrative map transparency or background map type in map appearance settings. After closing the editing panel, the map will revert to display according to map appearance settings. II. Province Editing Features Update Added a regenerate province button and average province cell count option in the province editing panel. You can adjust province generation density by modifying the average number of cells per province. III. Interface Tooltip Improvements Added numerous editor-related toolti |
| fix bugs related to maps download from workshop | 2025-01-07 | Fixed an issue where players from certain countries could only see height maps but not country borders when loading Workshop maps. |
| Vassal States, Economy & Combat Power, Fortress System Update | 2024-12-25 | Vassal State System Nations may become vassals after defeat in war Vassals must pay annual tribute (30% of yearly income) to their overlord in December Overlords have military access to vassal territories Vassals are forced to leave all alliances and end all wars Diplomatic Restrictions: Vassals have no independent diplomatic power Must follow all decisions made by their overlord Independence Mechanics: No independence seeking within first 5 years of vassalization More likely to seek independence when power grows close to overlord More likely during overlord's military setbacks More likely when overlord corruption is high Desire for independe |
| Update - November 27 Unconquerable Regions and More map icons | 2024-11-27 | Unconquerable Regions Added three new types of unconquerable territories: ・Gobi ・Desert ・Tundra New visible markers appear after map generation Added environmental indicators: ・Cactus icons for desert regions ・Mountain/Highland icons for elevated terrain Map Editor Enhancements New features in Map Editor -> Edit Ecology: ・Draw unconquerable regions ・Access region management panel Region customization options: ・Color adjustment ・Name modification Interface Updates Extended nation information panel: ・Added more detailed national statistics ・Enhanced information display Terrain Editing Improvements New height modification features: ・Modify terra |
| November 8th Update: River System Features | 2024-11-08 | New Features River System Added river drawing feature in Map Editor -> Edit Ecology -> Draw Rivers Controls: ・Left-click to select and edit rivers ・SHIFT + Left-click to create new rivers ・ALT + Left-click to add control points ・DELETE to remove selected rivers War Statistics Added casualties and elimination statistics Available data: ・View battle losses for both sides in Nation Panel ・Access detailed war statistics in Statistics Panel Nation Placement Adjusted nation placement mechanism on height maps: ・New nations now start with a single province ・No longer occupies the entire map by default ・Nations gradually expand from their initial prov |
| Grayscale Map Import Now Available - October 26, 2024 Update Announcement | 2024-10-26 | Grayscale Map Import The grayscale map import feature can be found in Map Editor -> Edit Height Height corresponding rules: ・Darker colors (closer to black) -> Lower elevation ・Lighter colors (closer to white) -> Higher elevation Ocean threshold can be set (1-255) ・Areas below the set threshold will be generated as ocean Supports importing height maps created by third-party websites or software Other Additions Added confirmation popup for refreshing rivers and shipping routes Performance Optimization Improved pathfinding performance for armies ・Reduced lag when starting the game ・Reduced lag when nations are destroyed Optimized province drawi |