diff --git a/binaries/data/mods/public/art/textures/ui/session/icons/mappreview/corinthian_isthmus.png b/binaries/data/mods/public/art/textures/ui/session/icons/mappreview/corinthian_isthmus.png
new file mode 100644
index 0000000000..206757f82f
--- /dev/null
+++ b/binaries/data/mods/public/art/textures/ui/session/icons/mappreview/corinthian_isthmus.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:71312beaef8f0ea570d5dc455cc8dc76012d0725258e1e31459f8fe89e4f84aa
+size 171865
diff --git a/binaries/data/mods/public/maps/random/corinthian_isthmus.js b/binaries/data/mods/public/maps/random/corinthian_isthmus.js
new file mode 100644
index 0000000000..e3a5ab2ba3
--- /dev/null
+++ b/binaries/data/mods/public/maps/random/corinthian_isthmus.js
@@ -0,0 +1,465 @@
+RMS.LoadLibrary("rmgen");
+
+TILE_CENTERED_HEIGHT_MAP = true;
+
+const tCity = "medit_city_pavement";
+const tCityPlaza = "medit_city_pavement";
+const tHill = ["medit_grass_shrubs", "medit_rocks_grass_shrubs", "medit_rocks_shrubs", "medit_rocks_grass", "medit_shrubs"];
+const tMainDirt = "medit_dirt";
+const tCliff = "medit_cliff_aegean";
+const tForestFloor = "medit_grass_shrubs";
+const tGrass = ["medit_grass_shrubs", "medit_rocks_grass_shrubs", "medit_rocks_shrubs", "medit_rocks_grass", "medit_shrubs"];
+const tGrassSand50 = "medit_grass_field_a";
+const tGrassSand25 = "medit_grass_field_b";
+const tDirt = "medit_dirt_b";
+const tDirtCracks = "medit_dirt_c";
+const tShore = "medit_sand";
+const tWater = "medit_sand_wet";
+
+// gaia entities
+const oBerryBush = "gaia/flora_bush_berry";
+const oChicken = "gaia/fauna_chicken";
+const oDeer = "gaia/fauna_deer";
+const oFish = "gaia/fauna_fish";
+const oSheep = "gaia/fauna_sheep";
+const oGoat = "gaia/fauna_goat";
+const oStoneLarge = "gaia/geology_stonemine_medit_quarry";
+const oStoneSmall = "gaia/geology_stone_mediterranean";
+const oMetalLarge = "gaia/geology_metal_mediterranean_slabs";
+const oDatePalm = "gaia/flora_tree_cretan_date_palm_short";
+const oSDatePalm = "gaia/flora_tree_cretan_date_palm_tall";
+const oCarob = "gaia/flora_tree_carob";
+const oFanPalm = "gaia/flora_tree_medit_fan_palm";
+const oPoplar = "gaia/flora_tree_poplar_lombardy";
+const oCypress = "gaia/flora_tree_cypress";
+
+// decorative props
+const aBush1 = "actor|props/flora/bush_medit_sm.xml";
+const aBush2 = "actor|props/flora/bush_medit_me.xml";
+const aBush3 = "actor|props/flora/bush_medit_la.xml";
+const aBush4 = "actor|props/flora/bush_medit_me.xml";
+const aBushes = [aBush1, aBush2, aBush3, aBush4];
+const aDecorativeRock = "actor|geology/stone_granite_med.xml";
+
+// terrain + entity (for painting)
+var pForest = [tForestFloor + TERRAIN_SEPARATOR + oDatePalm, tForestFloor + TERRAIN_SEPARATOR + oSDatePalm, tForestFloor];
+
+const BUILDING_ANGlE = -PI/4;
+
+log("Initializing map...");
+
+InitMap();
+
+var numPlayers = getNumPlayers();
+var mapSize = getMapSize();
+var mapArea = mapSize*mapSize;
+
+// create tile classes
+
+var clPlayer = createTileClass();
+var clForest = createTileClass();
+var clWater = createTileClass();
+var clDirt = createTileClass();
+var clRock = createTileClass();
+var clMetal = createTileClass();
+var clFood = createTileClass();
+var clBaseResource = createTileClass();
+var clSettlement = createTileClass();
+var clGrass = createTileClass();
+var clHill = createTileClass();
+var clIsland = createTileClass();
+
+// create the main river
+log("Creating the main river");
+var placer = new PathPlacer(fractionToTiles(0.5 + cos(3 * PI / 4)), fractionToTiles(0.5 + sin(3 * PI / 4)), fractionToTiles(0.5 + cos(- PI / 4)), fractionToTiles(0.5 + sin(- PI / 4)), scaleByMapSize(15,70), 0.5, 3*(scaleByMapSize(1,4)), 0.1, 0.01);
+var terrainPainter = new LayeredPainter(
+	[tShore, tWater, tWater],		// terrains
+	[1, 3]								// widths
+);
+var elevationPainter = new SmoothElevationPainter(
+	ELEVATION_SET,			// type
+	-4,				// elevation
+	4				// blend radius
+);
+createArea(placer, [terrainPainter, elevationPainter], avoidClasses(clPlayer, 4));
+
+placer = new ClumpPlacer(floor(PI*scaleByMapSize(15,70)*scaleByMapSize(15,70)/4), 0.95, 0.6, 10, fractionToTiles(0.5 + cos(3 * PI / 4))+3, fractionToTiles(0.5 + sin(3 * PI / 4))-3);
+var painter = new LayeredPainter([tWater, tWater], [1]);
+var elevationPainter = new SmoothElevationPainter(ELEVATION_SET, -4, 0);
+createArea(placer, [painter, elevationPainter], avoidClasses(clPlayer, 8));
+
+placer = new ClumpPlacer(floor(PI*scaleByMapSize(15,70)*scaleByMapSize(15,70)/4), 0.95, 0.6, 10, fractionToTiles(0.5 + cos(- PI / 4))-3, fractionToTiles(0.5 + sin(- PI / 4))+3);
+var painter = new LayeredPainter([tWater, tWater], [1]);
+var elevationPainter = new SmoothElevationPainter(ELEVATION_SET, -4, 0);
+createArea(placer, [painter, elevationPainter], avoidClasses(clPlayer, 8));
+
+for (var ix = 0; ix < mapSize; ix++)
+{
+	for (var iz = 0; iz < mapSize; iz++)
+	{
+		if ((ix + iz < scaleByMapSize(6,30) + mapSize)&&(ix + iz > - scaleByMapSize(6,30) + mapSize))
+			if ((ix - iz < mapSize / 2)||(ix - iz > mapSize / 2))
+				setHeight(ix, iz, -4);
+	}
+}
+
+var placer = new PathPlacer(fractionToTiles(0.5 + cos(5 * PI / 4)), fractionToTiles(0.5 + sin(5 * PI / 4)), fractionToTiles(0.5 + cos( PI / 4)), fractionToTiles(0.5 + sin( PI / 4)), scaleByMapSize(10,30), 0.5, 3*(scaleByMapSize(1,4)), 0.1, 0.01);
+var terrainPainter = new LayeredPainter(
+	[tShore, tGrass],		// terrains
+	[2]								// widths
+);
+var elevationPainter = new SmoothElevationPainter(
+	ELEVATION_SET,			// type
+	3,				// elevation
+	4				// blend radius
+);
+createArea(placer, [terrainPainter, elevationPainter], null);
+
+paintTerrainBasedOnHeight(-6, 1, 1, tWater);
+paintTerrainBasedOnHeight(1, 2, 1, tShore);
+paintTerrainBasedOnHeight(2, 5, 1, tGrass);
+
+paintTileClassBasedOnHeight(-6, 0.5, 1, clWater)
+
+// randomize player order
+var playerIDs = [];
+for (var i = 0; i < numPlayers; i++)
+{
+	playerIDs.push(i+1);
+}
+playerIDs = primeSortPlayers(sortPlayers(playerIDs));
+
+// place players
+
+var playerX = new Array(numPlayers);
+var playerZ = new Array(numPlayers);
+var playerAngle = new Array(numPlayers);
+var playerPos = new Array(numPlayers);
+var iop = 0;
+for (var i = 0; i < numPlayers; i++)
+{
+	iop = i - 1;
+	if (!(numPlayers%2)){
+		playerPos[i] = ((iop + abs(iop%2))/2 + 1) / ((numPlayers / 2) + 1);
+	}
+	else
+	{
+		if (iop%2)
+		{
+			playerPos[i] = ((iop + abs(iop%2))/2 + 1) / (((numPlayers + 1) / 2) + 1);
+		}
+		else
+		{
+			playerPos[i] = ((iop)/2 + 1) / ((((numPlayers - 1)) / 2) + 1);
+		}
+	}
+	playerZ[i] = Math.sqrt(0.5)*(0.6*(i%2) - 0.8 + playerPos[i]) + 0.5;
+	playerX[i] = Math.sqrt(0.5)*(0.6*(i%2) + 0.2 - playerPos[i]) + 0.5;
+}
+
+for (var i = 0; i < numPlayers; i++)
+{
+	var id = playerIDs[i];
+	log("Creating base for player " + id + "...");
+	
+	// some constants
+	var radius = scaleByMapSize(15,25);
+	var cliffRadius = 2;
+	var elevation = 20;
+	
+	// get the x and z in tiles
+	var fx = fractionToTiles(playerX[i]);
+	var fz = fractionToTiles(playerZ[i]);
+	var ix = floor(fx);
+	var iz = floor(fz);
+	addToClass(ix, iz, clPlayer);
+	
+	// create the city patch
+	var cityRadius = radius/3;
+	var placer = new ClumpPlacer(PI*cityRadius*cityRadius, 0.6, 0.3, 10, ix, iz);
+	var painter = new LayeredPainter([tCityPlaza, tCity], [1]);
+	createArea(placer, painter, null);
+	
+	// create starting units
+	placeCivDefaultEntities(fx, fz, id, BUILDING_ANGlE, {'iberWall' : 'towers'});
+	
+	// create animals
+	for (var j = 0; j < 2; ++j)
+	{
+		var aAngle = randFloat(0, TWO_PI);
+		var aDist = 7;
+		var aX = round(fx + aDist * cos(aAngle));
+		var aZ = round(fz + aDist * sin(aAngle));
+		var group = new SimpleGroup(
+			[new SimpleObject(oChicken, 5,5, 0,3)],
+			true, clBaseResource, aX, aZ
+		);
+		createObjectGroup(group, 0);
+	}
+	
+	// create berry bushes
+	var bbAngle = randFloat(0, TWO_PI);
+	var bbDist = 12;
+	var bbX = round(fx + bbDist * cos(bbAngle));
+	var bbZ = round(fz + bbDist * sin(bbAngle));
+	group = new SimpleGroup(
+		[new SimpleObject(oBerryBush, 5,5, 0,3)],
+		true, clBaseResource, bbX, bbZ
+	);
+	createObjectGroup(group, 0);
+	
+	// create metal mine
+	var mAngle = bbAngle;
+	while(abs(mAngle - bbAngle) < PI/3)
+	{
+		mAngle = randFloat(0, TWO_PI);
+	}
+	var mDist = 12;
+	var mX = round(fx + mDist * cos(mAngle));
+	var mZ = round(fz + mDist * sin(mAngle));
+	group = new SimpleGroup(
+		[new SimpleObject(oMetalLarge, 1,1, 0,0)],
+		true, clBaseResource, mX, mZ
+	);
+	createObjectGroup(group, 0);
+	
+	// create stone mines
+	mAngle += randFloat(PI/8, PI/4);
+	mX = round(fx + mDist * cos(mAngle));
+	mZ = round(fz + mDist * sin(mAngle));
+	group = new SimpleGroup(
+		[new SimpleObject(oStoneLarge, 1,1, 0,2)],
+		true, clBaseResource, mX, mZ
+	);
+	createObjectGroup(group, 0);
+	var hillSize = PI * radius * radius;
+	// create starting trees
+	var num = 2;
+	var tAngle = randFloat(-PI/3, 4*PI/3);
+	var tDist = randFloat(11, 13);
+	var tX = round(fx + tDist * cos(tAngle));
+	var tZ = round(fz + tDist * sin(tAngle));
+	group = new SimpleGroup(
+		[new SimpleObject(oCarob, num, num, 0,5)],
+		false, clBaseResource, tX, tZ
+	);
+	createObjectGroup(group, 0, avoidClasses(clBaseResource,2));
+	
+	// create grass tufts
+	var num = hillSize / 250;
+	for (var j = 0; j < num; j++)
+	{
+		var gAngle = randFloat(0, TWO_PI);
+		var gDist = radius - (5 + randInt(7));
+		var gX = round(fx + gDist * cos(gAngle));
+		var gZ = round(fz + gDist * sin(gAngle));
+		group = new SimpleGroup(
+			[new SimpleObject(aBush1, 2,5, 0,1, -PI/8,PI/8)],
+			false, clBaseResource, gX, gZ
+		);
+		createObjectGroup(group, 0);
+	}
+}
+
+RMS.SetProgress(40);
+// create bumps
+log("Creating bumps...");
+placer = new ClumpPlacer(scaleByMapSize(20, 50), 0.3, 0.06, 1);
+painter = new SmoothElevationPainter(ELEVATION_MODIFY, 2, 2);
+createAreas(
+	placer,
+	painter, 
+	avoidClasses(clWater, 2, clPlayer, 6),
+	scaleByMapSize(100, 200)
+);
+
+
+
+// calculate desired number of trees for map (based on size)
+const MIN_TREES = 500;
+const MAX_TREES = 2500;
+const P_FOREST = 0.5;
+
+var totalTrees = scaleByMapSize(MIN_TREES, MAX_TREES);
+var numForest = totalTrees * P_FOREST;
+var numStragglers = totalTrees * (1.0 - P_FOREST);
+
+// create forests
+log("Creating forests...");
+var num = scaleByMapSize(10,30);
+placer = new ClumpPlacer(numForest / num, 0.15, 0.1, 0.5);
+painter = new TerrainPainter([tForestFloor, pForest]);
+createAreas(placer, [painter, paintClass(clForest)], 
+	avoidClasses(clPlayer, 8, clForest, 10, clWater, 1, clBaseResource, 3),
+	num, 50
+);
+
+RMS.SetProgress(50);
+
+
+// create hills
+log("Creating hills...");
+placer = new ClumpPlacer(scaleByMapSize(20, 150), 0.2, 0.1, 1);
+var terrainPainter = new LayeredPainter(
+	[tCliff, tHill],		// terrains
+	[2]								// widths
+);
+var elevationPainter = new SmoothElevationPainter(ELEVATION_SET, 16, 2);
+createAreas(
+	placer,
+	[terrainPainter, elevationPainter, paintClass(clHill)], 
+	avoidClasses(clPlayer, 16, clForest, 1, clHill, 15, clWater, 3),
+	scaleByMapSize(1, 4) * numPlayers
+);
+
+
+
+// create grass patches
+
+log("Creating grass patches...");
+var sizes = [scaleByMapSize(3, 48), scaleByMapSize(5, 84), scaleByMapSize(8, 128)];
+for (var i = 0; i < sizes.length; i++)
+{
+	placer = new ClumpPlacer(sizes[i], 0.3, 0.06, 0.5);
+	painter = new LayeredPainter(
+		[[tGrass,tGrassSand50],[tGrassSand50,tGrassSand25], [tGrassSand25,tGrass]], 		// terrains
+		[1,1]															// widths
+	);
+	createAreas(
+		placer,
+		[painter, paintClass(clDirt)],
+		avoidClasses(clForest, 0, clGrass, 5, clPlayer, 10, clWater, 1, clDirt, 5, clHill, 1),
+		scaleByMapSize(15, 45)
+	);
+}
+
+RMS.SetProgress(55);
+
+// create dirt patches
+log("Creating dirt patches...");
+var sizes = [scaleByMapSize(3, 48), scaleByMapSize(5, 84), scaleByMapSize(8, 128)];
+for (var i = 0; i < sizes.length; i++)
+{
+	placer = new ClumpPlacer(sizes[i], 0.3, 0.06, 0.5);
+	painter = new LayeredPainter(
+		[[tDirt,tDirtCracks],[tDirt,tMainDirt], [tDirtCracks,tMainDirt]], 		// terrains
+		[1,1]															// widths
+	);
+	createAreas(
+		placer,
+		[painter, paintClass(clDirt)],
+		avoidClasses(clForest, 0, clDirt, 5, clPlayer, 10, clWater, 1, clGrass, 5, clHill, 1),
+		scaleByMapSize(15, 45)
+	);
+}
+
+
+
+RMS.SetProgress(60);
+
+log("Creating stone mines...");
+// create large stone quarries
+group = new SimpleGroup([new SimpleObject(oStoneSmall, 0,2, 0,4), new SimpleObject(oStoneLarge, 1,1, 0,4)], true, clRock);
+createObjectGroups(group, 0,
+	avoidClasses(clForest, 1, clPlayer, 12, clRock, 10, clWater, 1, clHill, 1),
+	scaleByMapSize(4,16), 100
+);
+
+// create small stone quarries
+group = new SimpleGroup([new SimpleObject(oStoneSmall, 2,5, 1,3)], true, clRock);
+createObjectGroups(group, 0,
+	avoidClasses(clForest, 1, clPlayer, 12, clRock, 10, clWater, 1, clHill, 1),
+	scaleByMapSize(4,16), 100
+);
+
+log("Creating metal mines...");
+// create large metal quarries
+group = new SimpleGroup([new SimpleObject(oMetalLarge, 1,1, 0,4)], true, clMetal);
+createObjectGroups(group, 0,
+	avoidClasses(clForest, 1, clPlayer, 12, clMetal, 10, clRock, 5, clWater, 1, clHill, 1),
+	scaleByMapSize(4,16), 100
+);
+
+RMS.SetProgress(65);
+
+// create small decorative rocks
+log("Creating small decorative rocks...");
+group = new SimpleGroup(
+	[new SimpleObject(aDecorativeRock, 1,3, 0,1)],
+	true
+);
+createObjectGroups(
+	group, 0,
+	avoidClasses(clWater, 1, clForest, 0, clPlayer, 0, clHill, 1),
+	scaleByMapSize(16, 262), 50
+);
+
+
+// create shrubs
+log("Creating shrubs...");
+group = new SimpleGroup(
+	[new SimpleObject(aBush2, 1,2, 0,1), new SimpleObject(aBush1, 1,3, 0,2), new SimpleObject(aBush4, 1,2, 0,1), new SimpleObject(aBush3, 1,3, 0,2)],
+	true
+);
+createObjectGroups(
+	group, 0,
+	avoidClasses(clWater, 1, clPlayer, 0, clHill, 1),
+	scaleByMapSize(40, 360), 50
+);
+
+RMS.SetProgress(70);
+
+// create fish
+log("Creating fish...");
+group = new SimpleGroup([new SimpleObject(oFish, 1,3, 2,6)], true, clFood);
+createObjectGroups(group, 0,
+	[avoidClasses(clIsland, 2, clFood, 10), stayClasses(clWater, 5)],
+	3*scaleByMapSize(5,20), 50
+);
+
+// create sheeps
+log("Creating sheeps...");
+group = new SimpleGroup([new SimpleObject(oSheep, 5,7, 0,4)], true, clFood);
+createObjectGroups(group, 0,
+	avoidClasses(clForest, 0, clPlayer, 7, clWater, 1, clFood, 10, clHill, 1),
+	scaleByMapSize(5,20), 50
+);
+
+// create goats
+log("Creating goats...");
+group = new SimpleGroup([new SimpleObject(oGoat, 2,4, 0,3)], true, clFood);
+createObjectGroups(group, 0,
+	avoidClasses(clForest, 0, clPlayer, 7, clWater, 1, clFood, 10, clHill, 1),
+	scaleByMapSize(5,20), 50
+);
+
+// create deers
+log("Creating deers...");
+group = new SimpleGroup([new SimpleObject(oDeer, 2,4, 0,2)], true, clFood);
+createObjectGroups(group, 0,
+	avoidClasses(clForest, 0, clPlayer, 7, clWater, 1, clFood, 10, clHill, 1),
+	scaleByMapSize(5,20), 50
+);
+
+RMS.SetProgress(90);
+
+// create straggler trees
+log("Creating straggler trees...");
+var types = [oDatePalm, oSDatePalm, oCarob, oFanPalm, oPoplar, oCypress];	// some variation
+var num = floor(numStragglers / types.length);
+for (var i = 0; i < types.length; ++i)
+{
+	group = new SimpleGroup([new SimpleObject(types[i], 1,1, 0,0)], true);
+	createObjectGroups(group, 0,
+		avoidClasses(clForest, 0, clWater, 1, clPlayer, 8, clMetal, 1, clHill, 1),
+		num
+	);
+}
+
+// Set environment
+setSkySet("sunny");
+setSunColour(0.917, 0.828, 0.734);	
+setWaterColour(0.292, 0.347, 0.691);		
+
+// Export map data
+ExportMap();
\ No newline at end of file
diff --git a/binaries/data/mods/public/maps/random/corinthian_isthmus.json b/binaries/data/mods/public/maps/random/corinthian_isthmus.json
new file mode 100644
index 0000000000..0d7f17bfe9
--- /dev/null
+++ b/binaries/data/mods/public/maps/random/corinthian_isthmus.json
@@ -0,0 +1,12 @@
+{
+	"settings" : {
+		"Name" : "Corinthian Isthmus",
+		"Script" : "corinthian_isthmus.js",
+		"Description" : "Players start facing each other on the sides of isthmus.",
+		"BaseTerrain" : ["medit_grass_shrubs", "medit_rocks_grass_shrubs", "medit_rocks_shrubs", "medit_rocks_grass", "medit_shrubs"],
+		"BaseHeight" : 3,
+		"CircularMap" : true,
+		"Preview" : "corinthian_isthmus.png",
+		"XXXXXX" : "Optionally define other things here, like we would for a scenario"
+	}
+}
\ No newline at end of file