diff --git a/EU3_Scenario_Editor/src/editor/MapmodeBuilder.java b/EU3_Scenario_Editor/src/editor/MapmodeBuilder.java
index 2418666..81b0c42 100644
--- a/EU3_Scenario_Editor/src/editor/MapmodeBuilder.java
+++ b/EU3_Scenario_Editor/src/editor/MapmodeBuilder.java
@@ -254,6 +254,10 @@ public static void buildMapmodeMenu(JMenu viewMenu, MapPanel mapPanel, JLabel vi
                     DiscreteStepFilterAction actn = new DiscreteStepFilterAction("Leadership", "leadership", 0, 10, 1);
                     actn.setStepColors(allColors, view);
                     viewMenu.add(actn);
+                } else if (view.equals("development")) {
+                    viewMenu.add(new DevelopmentFilterAction(0, 30, 1));
+                } else if (view.equals("ck3-development")) {
+                    viewMenu.add(new CK3DevelopmentFilterAction());
                 } else if (view.equals("hotspots-owner")) {
                     viewMenu.add(new HotspotFilterAction("owner", 20, 1));
                 } else if (view.equals("hotspots-controller")) {
@@ -1313,6 +1317,20 @@ public CultureGroupFilterAction(String name, String cultureGroup) {
         }
     }
     
+    private static class DevelopmentFilterAction extends FilterAction {
+        public DevelopmentFilterAction(int min, int max, int step) {
+            super("Total development level", new DevelopmentMapMode(mapPanel, min, max, step));
+            putValue(SHORT_DESCRIPTION, "Total development level");
+        }
+    }
+    
+    private static class CK3DevelopmentFilterAction extends FilterAction {
+        public CK3DevelopmentFilterAction() {
+            super("Development level", new CK3DevelopmentMapMode(mapPanel));
+            putValue(SHORT_DESCRIPTION, "Development level");
+        }
+    }
+    
     
     private static class WarsAction extends AbstractAction {
         public WarsAction() {
diff --git a/EU3_Scenario_Editor/src/editor/mapmode/CK3DevelopmentMapMode.java b/EU3_Scenario_Editor/src/editor/mapmode/CK3DevelopmentMapMode.java
new file mode 100644
index 0000000..c866157
--- /dev/null
+++ b/EU3_Scenario_Editor/src/editor/mapmode/CK3DevelopmentMapMode.java
@@ -0,0 +1,48 @@
+
+package editor.mapmode;
+
+import editor.MapPanel;
+import editor.ProvinceData;
+import java.awt.Color;
+
+/**
+ *
+ * @author Michael
+ */
+public class CK3DevelopmentMapMode extends TitleMode {
+
+    private final Color[] colors = Utilities.createSteppedColors(0, 101, 1, Color.WHITE, Color.GREEN.darker(), Color.GREEN.darker().darker().darker());
+    
+    public CK3DevelopmentMapMode(MapPanel panel) {
+        super(panel, TitleMode.TitleType.COUNTY);
+    }
+
+    @Override
+    protected Color getTitleColor(String title) {
+        String devStr = getLiegeHistString(title, "change_development_level");
+        if (devStr == null || devStr.isEmpty())
+            return getColorFromDevLevel(0);
+        
+        try {
+            int devLevel = Integer.parseInt(devStr);
+            return getColorFromDevLevel(devLevel);
+        } catch (NumberFormatException ex) {
+        }
+        return Utilities.COLOR_NO_CTRY_DEF;
+    }
+
+    private Color getColorFromDevLevel(int devLevel) {
+        if (devLevel >= 0 && devLevel < colors.length)
+            return colors[devLevel];
+        return Utilities.COLOR_LAND_DEFAULT;
+    }
+
+    @Override
+    public String getTooltipExtraText(ProvinceData.Province current) {
+        if (!mapPanel.getMap().isLand(current.getId()) || mapPanel.getMap().isWasteland(current.getId()))
+            return "";
+        
+        return "Development level: " + getLiegeHistString(getLowestHistTitleHolder(current.getId()), "change_development_level");
+    }
+    
+}
diff --git a/EU3_Scenario_Editor/src/editor/mapmode/DevelopmentMapMode.java b/EU3_Scenario_Editor/src/editor/mapmode/DevelopmentMapMode.java
new file mode 100644
index 0000000..998c92b
--- /dev/null
+++ b/EU3_Scenario_Editor/src/editor/mapmode/DevelopmentMapMode.java
@@ -0,0 +1,57 @@
+
+package editor.mapmode;
+
+import editor.MapPanel;
+import editor.ProvinceData;
+
+/**
+ *
+ * @author Michael
+ */
+public class DevelopmentMapMode extends DiscreteScalingMapMode {
+    
+    public DevelopmentMapMode(MapPanel panel, int min, int max, int step) {
+        super(panel, "", min, max, step);
+        setName("development");
+    }
+
+    
+    @Override
+    protected double getProvinceValue(int provId) {
+        String manpower = mapPanel.getModel().getHistString(provId, "base_manpower");
+        String baseTax = mapPanel.getModel().getHistString(provId, "base_tax");
+        String production = mapPanel.getModel().getHistString(provId, "base_production");
+        
+        return toInt(manpower) + toInt(baseTax) + toInt(production);
+    }
+    
+    private int toInt(String strInt) {
+        if (strInt == null || strInt.isEmpty())
+            return 0;
+        try {
+            return Integer.parseInt(strInt);
+        } catch (NumberFormatException ex) {
+            return 0;
+        }
+    }
+
+    @Override
+    public String getTooltipExtraText(ProvinceData.Province current) {
+        final int id = current.getId();
+        if (!getMap().isLand(id))
+            return "";
+        if (getMap().isWasteland(id))
+            return "";
+        
+        String manpower = mapPanel.getModel().getHistString(id, "base_manpower");
+        String baseTax = mapPanel.getModel().getHistString(id, "base_tax");
+        String production = mapPanel.getModel().getHistString(id, "base_production");
+        
+        return "Base tax: " + baseTax
+                + "<br>Production: " + production
+                + "<br>Manpower: " + manpower
+                + "<br><b>Total development: " + (int)getProvinceValue(id) + "</b>";
+    }
+    
+    
+}
diff --git a/EU3_Scenario_Editor/src/editor/mapmode/DiscreteScalingMapMode.java b/EU3_Scenario_Editor/src/editor/mapmode/DiscreteScalingMapMode.java
index 93b1c32..785ec71 100644
--- a/EU3_Scenario_Editor/src/editor/mapmode/DiscreteScalingMapMode.java
+++ b/EU3_Scenario_Editor/src/editor/mapmode/DiscreteScalingMapMode.java
@@ -29,7 +29,7 @@ public class DiscreteScalingMapMode extends ProvincePaintingMode {
     
     // TODO: Perhaps make it so an arbitrary number of colors could be used,
     // fading from one to another?
-    private Color minColor = Color.RED.darker();
+    private Color minColor = Color.WHITE;
     private Color midColor = Color.YELLOW;
     private Color maxColor = Color.GREEN.darker();
     
@@ -59,19 +59,28 @@ private void initializeColors() {
     
     @Override
     protected void paintProvince(final Graphics2D g, int provId) {
-        String value = mapPanel.getModel().getHistString(provId, prop);
-
-        if (value == null || value.length() == 0 || value.equals("0")) {
+        double value = getProvinceValue(provId);
+        if (value < 0) {
             mapPanel.paintProvince(g, provId, Utilities.COLOR_LAND_DEFAULT);
             return;
         }
         
-        int index = (int) ((Double.parseDouble(value) + min) / step);
+        int index = (int) ((value + min) / step);
         index = Math.max(0, Math.min(colors.length-1, index));
         
         mapPanel.paintProvince(g, provId, colors[index]);
     }
     
+    protected double getProvinceValue(int provId) {
+        String value = mapPanel.getModel().getHistString(provId, prop);
+
+        if (value == null || value.length() == 0 || value.equals("0")) {
+            return -1;
+        }
+        
+        return Double.parseDouble(value);
+    }
+    
     @Override
     protected void paintSeaZone(final Graphics2D g, int id) {
         // Do nothing
diff --git a/EU3_Scenario_Editor/src/editor/mapmode/TitleMode.java b/EU3_Scenario_Editor/src/editor/mapmode/TitleMode.java
index 0f988d7..80fd581 100644
--- a/EU3_Scenario_Editor/src/editor/mapmode/TitleMode.java
+++ b/EU3_Scenario_Editor/src/editor/mapmode/TitleMode.java
@@ -103,6 +103,17 @@ protected Color getTitleColor(String title) {
     protected String getTitleHistString(String title, String name) {
         return ClausewitzHistory.getHistString(getTitleHistory(title), name, mapPanel.getModel().getDate());
     }
+    
+    protected String getLiegeHistString(String title, String name) {
+        String ret = getTitleHistString(title, name);
+        while (ret == null || ret.isEmpty()) {
+            title = getTitleHistString(title, "liege");
+            if (title == null || title.isEmpty())
+                break;
+            ret = getTitleHistString(title, name);
+        }
+        return ret;
+    }
 
     public String getLiege(String title) {
         return getLiege(title, type);
diff --git a/EU3_Scenario_Editor/views.txt b/EU3_Scenario_Editor/views.txt
index 204f8f8..b6912db 100644
--- a/EU3_Scenario_Editor/views.txt
+++ b/EU3_Scenario_Editor/views.txt
@@ -88,6 +88,7 @@ eu4 = { # mostly In Nomine with trade nodes swapped for COTs
 	base-tax
 	base-production
 	base-manpower
+	development
 	---
 	#revolt-risk
 	unrest
@@ -197,8 +198,9 @@ ck3 = {
 	province-religions
 	#religions
 	#religions-menu
-        #capitals
+	#capitals
 	override-simple-terrain
+	ck3-development
 	---
 	modding-menu
 }