diff --git a/core/assets-raw/sprites/ui/empty-sector.png b/core/assets-raw/sprites/ui/empty-sector.png
index 905ec6eea2..347b3bfc8d 100644
Binary files a/core/assets-raw/sprites/ui/empty-sector.png and b/core/assets-raw/sprites/ui/empty-sector.png differ
diff --git a/core/assets-raw/sprites/ui/sector-edge.png b/core/assets-raw/sprites/ui/sector-edge.png
index bd32c3dfc7..293d9bee79 100644
Binary files a/core/assets-raw/sprites/ui/sector-edge.png and b/core/assets-raw/sprites/ui/sector-edge.png differ
diff --git a/core/assets/maps/sandbox.mmap b/core/assets/maps/sandbox.mmap
index 3a448b7c1d..14e89ed3b7 100644
Binary files a/core/assets/maps/sandbox.mmap and b/core/assets/maps/sandbox.mmap differ
diff --git a/core/assets/sprites/sprites.png b/core/assets/sprites/sprites.png
index b17d0e8649..53901c92d1 100644
Binary files a/core/assets/sprites/sprites.png and b/core/assets/sprites/sprites.png differ
diff --git a/core/src/io/anuke/mindustry/io/MapIO.java b/core/src/io/anuke/mindustry/io/MapIO.java
index c46e9bf6d3..7dea904ef3 100644
--- a/core/src/io/anuke/mindustry/io/MapIO.java
+++ b/core/src/io/anuke/mindustry/io/MapIO.java
@@ -54,7 +54,7 @@ public class MapIO{
                 byte elev = y >= data.height() - 1 ? 0 : data.read(x, y + 1, DataPosition.elevation);
                 Block floor = content.block(marker.floor);
                 Block wall = content.block(marker.wall);
-                int color = ColorMapper.colorFor(floor, wall, Team.all[marker.team], marker.elevation, elev > marker.elevation ? (byte)(1 << 6) : (byte)0);
+                int color = ColorMapper.colorFor(floor, wall, Team.all[marker.team], marker.elevation + 1, elev > marker.elevation ? (byte)(1 << 6) : (byte)0);
                 pixmap.drawPixel(x, pixmap.getHeight() - 1 - y, color);
             }
         }
diff --git a/core/src/io/anuke/mindustry/maps/MapMeta.java b/core/src/io/anuke/mindustry/maps/MapMeta.java
index c731941297..148ad5a099 100644
--- a/core/src/io/anuke/mindustry/maps/MapMeta.java
+++ b/core/src/io/anuke/mindustry/maps/MapMeta.java
@@ -2,6 +2,7 @@ package io.anuke.mindustry.maps;
 
 import com.badlogic.gdx.utils.IntIntMap;
 import com.badlogic.gdx.utils.ObjectMap;
+import io.anuke.ucore.util.Bundles;
 
 public class MapMeta{
     public final int version;
@@ -18,15 +19,19 @@ public class MapMeta{
     }
 
     public String author(){
-        return tags.get("author", "unknown");
+        return tag("author");
     }
 
     public String description(){
-        return tags.get("description", "unknown");
+        return tag("description");
     }
 
     public String name(){
-        return tags.get("name", "unknown");
+        return tag("name");
+    }
+
+    public String tag(String name){
+        return tags.containsKey(name) && !tags.get(name).trim().isEmpty() ? tags.get(name): Bundles.get("text.unknown");
     }
 
     public boolean hasOreGen(){
diff --git a/core/src/io/anuke/mindustry/maps/generation/FortressGenerator.java b/core/src/io/anuke/mindustry/maps/generation/FortressGenerator.java
index ef58381653..def5cf1e0c 100644
--- a/core/src/io/anuke/mindustry/maps/generation/FortressGenerator.java
+++ b/core/src/io/anuke/mindustry/maps/generation/FortressGenerator.java
@@ -57,6 +57,7 @@ public class FortressGenerator{
 
     void gen(){
         gen.setBlock(enemyX, enemyY, StorageBlocks.core, team);
+        gen.random.nextBoolean();
 
         float difficultyScl = Mathf.clamp(gen.sector.difficulty / 20f + gen.random.range(0.25f), 0f, 0.9999f);
         float dscl2 = Mathf.clamp(0.5f + gen.sector.difficulty / 20f + gen.random.range(0.1f), 0f, 1.5f);
diff --git a/core/src/io/anuke/mindustry/maps/missions/MissionWithStartingCore.java b/core/src/io/anuke/mindustry/maps/missions/MissionWithStartingCore.java
index 7b42129055..1dbb2b81a3 100644
--- a/core/src/io/anuke/mindustry/maps/missions/MissionWithStartingCore.java
+++ b/core/src/io/anuke/mindustry/maps/missions/MissionWithStartingCore.java
@@ -10,8 +10,6 @@ import io.anuke.mindustry.world.Tile;
 import static io.anuke.mindustry.Vars.state;
 
 public abstract class MissionWithStartingCore extends Mission{
-
-
     /** Stores a custom starting location for the core, or null if the default calculation (map center) shall be used. */
     private final GridPoint2 customStartingPoint;
 
diff --git a/core/src/io/anuke/mindustry/ui/dialogs/SectorsDialog.java b/core/src/io/anuke/mindustry/ui/dialogs/SectorsDialog.java
index 90a466e023..1ea6ed5d04 100644
--- a/core/src/io/anuke/mindustry/ui/dialogs/SectorsDialog.java
+++ b/core/src/io/anuke/mindustry/ui/dialogs/SectorsDialog.java
@@ -60,7 +60,7 @@ public class SectorsDialog extends FloatingDialog{
         margin(0);
         getTitleTable().clear();
         clear();
-        stack(content(), buttons(), container).grow();
+        stack(content(), container, buttons()).grow();
 
         shown(this::setup);
     }
@@ -128,7 +128,7 @@ public class SectorsDialog extends FloatingDialog{
     class SectorView extends Element{
         float lastX, lastY;
         boolean clicked = false;
-        float panX = 0, panY = -sectorSize/2f;
+        float panX = sectorSize/2f, panY = sectorSize/2f;
 
         SectorView(){
             addListener(new InputListener(){
diff --git a/core/src/io/anuke/mindustry/world/ColorMapper.java b/core/src/io/anuke/mindustry/world/ColorMapper.java
index e8a5205267..6d3bdea310 100644
--- a/core/src/io/anuke/mindustry/world/ColorMapper.java
+++ b/core/src/io/anuke/mindustry/world/ColorMapper.java
@@ -14,11 +14,7 @@ public class ColorMapper implements ContentList{
     private static ObjectIntMap<Block> colorMap = new ObjectIntMap<>();
     private static ThreadLocal<Color> tmpColors = new ThreadLocal<>();
 
-    public static Block getByColor(int color){
-        return blockMap.get(color);
-    }
-
-    public static int getBlockColor(Block block){
+    private static int getBlockColor(Block block){
         return colorMap.get(block, 0);
     }