diff --git a/index.html b/index.html
index 00e5922b..c698a03b 100644
--- a/index.html
+++ b/index.html
@@ -3346,13 +3346,12 @@
     <div id="saveMapData" style="display: none" class="dialog">
       <div style="margin-bottom: .3em">Please select a saving variant:</div>
       <div>
-        <!--<button onclick="saveMap()" data-tip="Download the map as fully-functional .map file to your machine">.map</button>
+        <button onclick="saveMap()" data-tip="Download the map as fully-functional .map file to your machine">.map</button>
         <button onclick="saveSVG()" data-tip="Download the map as vector image (open in browser or Inkscape)">.svg</button>
         <button onclick="savePNG()" data-tip="Download visible part of the map as .png (lossless compressed)">.png</button>
         <button onclick="saveJPEG()" data-tip="Download visible part of the map as .jpeg (lossy compressed) image">.jpeg</button>
         <button onclick="saveGeoJSON()" data-tip="Download map data in GeoJSON format">.json</button>
-        <button onclick="quickSave()" data-tip="Save fully-functional map to browser storage. Shortcut: F6">storage</button>-->
-        <button onclick="customExport()" data-tip="Export to map to our game engine">export</button>
+        <button onclick="quickSave()" data-tip="Save fully-functional map to browser storage. Shortcut: F6">storage</button>
       </div>
       <p style="font-style: italic">Generator uses pop-up window to download files. Please ensure your browser does not block popups</p>
     </div>
diff --git a/modules/save-and-load.js b/modules/save-and-load.js
index f4490dad..402f1408 100644
--- a/modules/save-and-load.js
+++ b/modules/save-and-load.js
@@ -962,217 +962,3 @@ function parseLoadedData(data) {
   }
 
 }
-
-// export the map for our game engine
-async function customExport () {
-  if (customization) {tip("Map cannot be saved when edit mode is active, please exit the mode and retry", false, "error"); return;}
-  closeDialogs("#alert");
-
-  drawProvinces();
-
-  const landmassImage = await getMapImageBase64(["landmass"]);
-  const provincesImage = await getMapImageBase64(["provs"]);
-
-  const blob = await getMapExportData(landmassImage, provincesImage);
-  const URL = window.URL.createObjectURL(blob);
-  const link = document.createElement("a");
-  link.download = getFileName() + ".json";
-  link.href = URL;
-  document.body.appendChild(link);
-  link.click();
-  tip(`${link.download} is saved. Open "Downloads" screen (CTRL + J) to check`, true, "success", 7000);
-  window.setTimeout(() => window.URL.revokeObjectURL(URL), 5000);
-}
-
-function getMapImageBase64 (visibles) {
-  return new Promise(async resolve => {
-    const url = await getMapLayerURL("png", null, visibles);  
-    const canvas = document.createElement("canvas");
-    canvas.width = mapWidthInput.value * pngResolutionInput.value;
-    canvas.height = mapHeightInput.value * pngResolutionInput.value;
-
-    const ctx = canvas.getContext("2d");
-    
-    const img = new Image();
-    img.src = url;
-
-    img.onload = function() {
-      ctx.drawImage(img, 0, 0, canvas.width, canvas.height);
-      resolve(canvas.toDataURL());
-    }
-  });  
-}
-
-// parse map svg to object url
-async function getMapLayerURL(type, subtype, visibles) {
-  const cloneEl = document.getElementById("map").cloneNode(true); // clone svg  
-  cloneEl.id = "fantasyMap";
-  document.body.appendChild(cloneEl);
-  const clone = d3.select(cloneEl);
-  clone.attr("width", mapWidthInput.value).attr("height", mapHeightInput.value).attr("background-color", "transparent");
-  clone.select("#debug").remove();
-  clone.select('#ruler').remove();
-  clone.select('#scaleBar').remove();
-
-  const isFirefox = navigator.userAgent.toLowerCase().indexOf('firefox') > -1;
-  if (isFirefox && type === "mesh") clone.select("#oceanPattern").remove();
-  
-  if (subtype === "noWater") {clone.select("#oceanBase").attr("opacity", 0); clone.select("#oceanPattern").attr("opacity", 0);}
-  if (type !== "png") {
-    // reset transform to show the whole map
-    clone.attr("width", graphWidth).attr("height", graphHeight);
-    clone.select("#viewbox").attr("transform", null);
-  }
-  if (type === "svg") removeUnusedElements(clone);
-  if (customization && type === "mesh") updateMeshCells(clone);
-
-  const LAYERS = ["ocean", "lake", "landmass", "texture", "terrs", "biomes", "cells", "gridOverlay", "coordinates", "compass",
-    "rivers", "terrain", "relig", "cults", "regions", "statesBody", "statesHalo", "provs", "zones", "borders", "stateBorders",
-    "provinceBorders", "routes", "roads", "trails", "searoutes", "temperature", "coastline", "prec", "population", "labels",
-    "icons", "burgIcons", "anchors", "markers", "fogging-cont", "fogging"];
-
-  LAYERS.forEach((layer) => {
-    if (visibles.indexOf(layer) < 0) {
-      clone.select('#' + layer).remove();
-    } else {
-      clone.select('#' + layer).attr("opacity", 1);
-    }
-  });
-
-  inlineStyle(clone);
-
-  const fontStyle = await GFontToDataURI(getFontsToLoad()); // load non-standard fonts
-  if (fontStyle) clone.select("defs").append("style").text(fontStyle.join('\n')); // add font to style
-
-  clone.append("metadata").text("<dc:format>image/svg+xml</dc:format>");
-  const serialized = (new XMLSerializer()).serializeToString(clone.node());
-  const svg_xml = `<?xml version="1.0" encoding="UTF-8" standalone="no"?>` + serialized;
-  clone.remove();
-  const blob = new Blob([svg_xml], {type: 'image/svg+xml;charset=utf-8'});
-  const url = window.URL.createObjectURL(blob);
-  window.setTimeout(() => window.URL.revokeObjectURL(url), 5000);
-  return url;
-}
-
-function getMapExportData (landmassImage, provincesImage) {
-  console.time("getMapExportData");
-
-  return new Promise(resolve => {
-    const date = new Date();
-    const dateString = date.getFullYear() + "-" + (date.getMonth() + 1) + "-" + date.getDate();
-    const license = "File can be loaded in azgaar.github.io/Fantasy-Map-Generator";
-
-    const params = { version, license, dateString, seed, graphWidth, graphHeight };
-
-    const options = { 
-      distanceUnitInput: distanceUnitInput.value, 
-      distanceScaleInput: distanceScaleInput.value, 
-      areaUnit: areaUnit.value,
-      heightUnit: heightUnit.value, 
-      heightExponentInput: heightExponentInput.value, 
-      temperatureScale: temperatureScale.value,
-      barSize: barSize.value, 
-      barLabel: barLabel.value, 
-      barBackOpacity: barBackOpacity.value, 
-      barBackColor: barBackColor.value,
-      barPosX: barPosX.value, 
-      barPosY: barPosY.value, 
-      populationRate: populationRate.value, 
-      urbanization: urbanization.value,
-      mapSizeOutput: mapSizeOutput.value, 
-      latitudeOutput: latitudeOutput.value, 
-      temperatureEquatorOutput: temperatureEquatorOutput.value,
-      temperaturePoleOutput: temperaturePoleOutput.value, 
-      precOutput: precOutput.value, 
-      winds,
-      mapName: mapName.value
-    };
-
-    const coords = mapCoordinates;
-
-    const biomes = {
-      color: biomesData.color, 
-      habitability: biomesData.habitability, 
-      name: biomesData.name
-    };
-
-    const notesData = notes;
-
-    const cloneEl = document.getElementById("map").cloneNode(true); // clone svg
-
-    // set transform values to default
-    cloneEl.setAttribute("width", graphWidth);
-    cloneEl.setAttribute("height", graphHeight);
-    cloneEl.querySelector("#viewbox").setAttribute("transform", null);
-    const svg_xml = (new XMLSerializer()).serializeToString(cloneEl);
-
-    const gridGeneral = {spacing:grid.spacing, cellsX:grid.cellsX, cellsY:grid.cellsY, boundary:grid.boundary, points:grid.points, features:grid.features};
-    const features = pack.features;
-    const cultures = pack.cultures;
-    const states = pack.states;
-    const burgs = pack.burgs;
-    const religions = pack.religions;
-    const provinces = pack.provinces;
-    const rivers = pack.rivers;
-
-    // store name array only if it is not the same as default
-    const defaultNB = Names.getNameBases();
-    const namesData = nameBases.map((b,i) => {
-      const names = defaultNB[i] && defaultNB[i].b === b.b ? "" : b.b;
-      return `${b.name}|${b.min}|${b.max}|${b.d}|${b.m}|${names}`;
-    });
-
-    // round population to save resources
-    const pop = Array.from(pack.cells.pop).map(p => rn(p, 4));
-
-    // data format as below    
-    const data = JSON.stringify(
-      {
-        params,
-        options,
-        coords,
-        biomes,
-        notesData,
-        gridGeneral,
-        grid: {
-          cells: {
-            h: grid.cells.h,
-            prec: grid.cells.prec,
-            f: grid.cells.f,
-            t: grid.cells.t, 
-            temp: grid.cells.temp
-          }
-        },
-        features,
-        cultures,
-        states,
-        burgs,
-        pack: {
-          cells: {
-            r: pack.cells.r, 
-            road: pack.cells.road, 
-            s: pack.cells.s, 
-            state: pack.cells.state,
-            religion: pack.cells.religion, 
-            province: pack.cells.province, 
-            crossroad: pack.cells.crossroad
-          }          
-        },        
-        pop,
-        religions,
-        provinces,
-        namesData,
-        rivers,
-        landmassImage,
-        provincesImage
-      }, 
-      null, 
-      2
-    );
-      
-    const blob = new Blob([data], {type: "text/plain"});
-
-    console.timeEnd("getMapExportData");
-    resolve(blob);
-  });
-}