diff --git a/core/assets/maps/tarFields.mmap b/core/assets/maps/tarFields.mmap
index 5bb40509cb..402a7c7f07 100644
Binary files a/core/assets/maps/tarFields.mmap and b/core/assets/maps/tarFields.mmap differ
diff --git a/core/src/io/anuke/mindustry/content/Zones.java b/core/src/io/anuke/mindustry/content/Zones.java
index 88bfb5541c..39dcdd1d66 100644
--- a/core/src/io/anuke/mindustry/content/Zones.java
+++ b/core/src/io/anuke/mindustry/content/Zones.java
@@ -147,7 +147,7 @@ public class Zones implements ContentList{
             }};
         }};
 
-        tarFields = new Zone("tarFields", new MapGenerator("tarFields", 1)
+        tarFields = new Zone("tarFields", new MapGenerator("tarFields")
         .dist(0f, false)
         .decor(new Decoration(Blocks.shale, Blocks.shaleBoulder, 0.02))){{
             loadout = Loadouts.basicFoundation;
diff --git a/core/src/io/anuke/mindustry/core/Renderer.java b/core/src/io/anuke/mindustry/core/Renderer.java
index 9e4c6bfb2d..4bf4f1b89f 100644
--- a/core/src/io/anuke/mindustry/core/Renderer.java
+++ b/core/src/io/anuke/mindustry/core/Renderer.java
@@ -126,6 +126,13 @@ public class Renderer implements ApplicationListener{
         }
     }
 
+    @Override
+    public void dispose(){
+        minimap.dispose();
+        shieldBuffer.dispose();
+        blocks.dispose();
+    }
+
     void updateShake(float scale){
         if(shaketime > 0){
             float intensity = shakeIntensity * (settings.getInt("screenshake", 4) / 4f) * scale;
diff --git a/core/src/io/anuke/mindustry/game/GlobalData.java b/core/src/io/anuke/mindustry/game/GlobalData.java
index 11dabeb994..f472325bee 100644
--- a/core/src/io/anuke/mindustry/game/GlobalData.java
+++ b/core/src/io/anuke/mindustry/game/GlobalData.java
@@ -77,7 +77,7 @@ public class GlobalData{
 
     /**
      * Makes this piece of content 'unlocked', if possible.
-     * If this piece of content is already unlocked or cannot be unlocked due to dependencies, nothing changes.
+     * If this piece of content is already unlocked, nothing changes.
      * Results are not saved until you call {@link #save()}.
      */
     public void unlockContent(UnlockableContent content){
diff --git a/core/src/io/anuke/mindustry/graphics/BlockRenderer.java b/core/src/io/anuke/mindustry/graphics/BlockRenderer.java
index e2873a87ee..7f0843c058 100644
--- a/core/src/io/anuke/mindustry/graphics/BlockRenderer.java
+++ b/core/src/io/anuke/mindustry/graphics/BlockRenderer.java
@@ -9,6 +9,7 @@ import io.anuke.arc.graphics.Texture.TextureFilter;
 import io.anuke.arc.graphics.g2d.Draw;
 import io.anuke.arc.graphics.g2d.Fill;
 import io.anuke.arc.graphics.glutils.FrameBuffer;
+import io.anuke.arc.util.Disposable;
 import io.anuke.arc.util.Tmp;
 import io.anuke.mindustry.content.Blocks;
 import io.anuke.mindustry.game.EventType.TileChangeEvent;
@@ -20,7 +21,7 @@ import io.anuke.mindustry.world.Tile;
 import static io.anuke.arc.Core.camera;
 import static io.anuke.mindustry.Vars.*;
 
-public class BlockRenderer{
+public class BlockRenderer implements Disposable{
     private final static int initialRequests = 32 * 32;
     private final static int expandr = 9;
     private final static Color shadowColor = new Color(0, 0, 0, 0.71f);
@@ -294,6 +295,14 @@ public class BlockRenderer{
         requestidx++;
     }
 
+    @Override
+    public void dispose(){
+        shadows.dispose();
+        fog.dispose();
+        shadows = fog = null;
+        floor.dispose();
+    }
+
     private class BlockRequest implements Comparable<BlockRequest>{
         Tile tile;
         Layer layer;
diff --git a/core/src/io/anuke/mindustry/graphics/FloorRenderer.java b/core/src/io/anuke/mindustry/graphics/FloorRenderer.java
index b3276147dc..df6a420be4 100644
--- a/core/src/io/anuke/mindustry/graphics/FloorRenderer.java
+++ b/core/src/io/anuke/mindustry/graphics/FloorRenderer.java
@@ -18,7 +18,7 @@ import java.util.Arrays;
 import static io.anuke.mindustry.Vars.tilesize;
 import static io.anuke.mindustry.Vars.world;
 
-public class FloorRenderer{
+public class FloorRenderer implements Disposable{
     private final static int chunksize = 64;
 
     private Chunk[][] cache;
@@ -221,6 +221,14 @@ public class FloorRenderer{
         Log.info("Time to cache: {0}", Time.elapsed());
     }
 
+    @Override
+    public void dispose(){
+        if(cbatch != null){
+            cbatch.dispose();
+            cbatch = null;
+        }
+    }
+
     private class Chunk{
         int[] caches = new int[CacheLayer.values().length];
     }
diff --git a/core/src/io/anuke/mindustry/maps/generators/MapGenerator.java b/core/src/io/anuke/mindustry/maps/generators/MapGenerator.java
index 46811f808f..9f244d01de 100644
--- a/core/src/io/anuke/mindustry/maps/generators/MapGenerator.java
+++ b/core/src/io/anuke/mindustry/maps/generators/MapGenerator.java
@@ -152,7 +152,7 @@ public class MapGenerator extends Generator{
 
             if(enemySpawns != -1){
                 if(enemySpawns > enemies.size){
-                    throw new IllegalArgumentException("Enemy spawn pool greater than map spawn number.");
+                    throw new IllegalArgumentException("Enemy spawn pool greater than map spawn number for map: " + mapName);
                 }
 
                 enemies.shuffle();
diff --git a/core/src/io/anuke/mindustry/ui/ItemImage.java b/core/src/io/anuke/mindustry/ui/ItemImage.java
index 6ef197b8d9..e7bed333b1 100644
--- a/core/src/io/anuke/mindustry/ui/ItemImage.java
+++ b/core/src/io/anuke/mindustry/ui/ItemImage.java
@@ -1,6 +1,5 @@
 package io.anuke.mindustry.ui;
 
-import io.anuke.arc.function.Supplier;
 import io.anuke.arc.graphics.g2d.TextureRegion;
 import io.anuke.arc.scene.ui.Image;
 import io.anuke.arc.scene.ui.layout.Stack;
@@ -18,14 +17,6 @@ public class ItemImage extends Stack{
         add(t);
     }
 
-    public ItemImage(TextureRegion region, Supplier<CharSequence> text){
-        Table t = new Table().left().bottom();
-        t.label(text).name("item-label");
-
-        add(new Image(region));
-        add(t);
-    }
-
     public ItemImage(ItemStack stack){
         add(new Image(stack.item.icon(Icon.large)));
 
diff --git a/core/src/io/anuke/mindustry/ui/fragments/BlockConfigFragment.java b/core/src/io/anuke/mindustry/ui/fragments/BlockConfigFragment.java
index e51801c200..392a73c352 100644
--- a/core/src/io/anuke/mindustry/ui/fragments/BlockConfigFragment.java
+++ b/core/src/io/anuke/mindustry/ui/fragments/BlockConfigFragment.java
@@ -10,7 +10,6 @@ import io.anuke.arc.scene.ui.layout.Table;
 import io.anuke.arc.util.Align;
 import io.anuke.mindustry.content.Blocks;
 import io.anuke.mindustry.core.GameState.State;
-import io.anuke.mindustry.input.InputHandler;
 import io.anuke.mindustry.world.Block;
 import io.anuke.mindustry.world.Tile;
 
@@ -18,14 +17,9 @@ import static io.anuke.mindustry.Vars.*;
 
 public class BlockConfigFragment extends Fragment{
     private Table table = new Table();
-    private InputHandler input;
     private Tile configTile;
     private Block configBlock;
 
-    public BlockConfigFragment(InputHandler input){
-        this.input = input;
-    }
-
     @Override
     public void build(Group parent){
         table.visible(false);
diff --git a/core/src/io/anuke/mindustry/ui/fragments/BlockInventoryFragment.java b/core/src/io/anuke/mindustry/ui/fragments/BlockInventoryFragment.java
index 77e0670121..3f7fcc2fe3 100644
--- a/core/src/io/anuke/mindustry/ui/fragments/BlockInventoryFragment.java
+++ b/core/src/io/anuke/mindustry/ui/fragments/BlockInventoryFragment.java
@@ -5,22 +5,25 @@ import io.anuke.annotations.Annotations.Remote;
 import io.anuke.arc.Core;
 import io.anuke.arc.collection.IntSet;
 import io.anuke.arc.function.BooleanProvider;
+import io.anuke.arc.function.Supplier;
+import io.anuke.arc.graphics.g2d.TextureRegion;
 import io.anuke.arc.input.KeyCode;
 import io.anuke.arc.math.Interpolation;
 import io.anuke.arc.math.Mathf;
 import io.anuke.arc.math.geom.Vector2;
+import io.anuke.arc.scene.Element;
 import io.anuke.arc.scene.Group;
 import io.anuke.arc.scene.actions.Actions;
 import io.anuke.arc.scene.event.*;
+import io.anuke.arc.scene.ui.Image;
+import io.anuke.arc.scene.ui.layout.Stack;
 import io.anuke.arc.scene.ui.layout.Table;
 import io.anuke.arc.util.*;
 import io.anuke.mindustry.core.GameState.State;
 import io.anuke.mindustry.entities.type.Player;
 import io.anuke.mindustry.gen.Call;
-import io.anuke.mindustry.input.InputHandler;
 import io.anuke.mindustry.type.Item;
 import io.anuke.mindustry.type.Item.Icon;
-import io.anuke.mindustry.ui.ItemImage;
 import io.anuke.mindustry.world.Tile;
 
 import static io.anuke.mindustry.Vars.*;
@@ -30,15 +33,10 @@ public class BlockInventoryFragment extends Fragment{
 
     private Table table;
     private Tile tile;
-    private InputHandler input;
     private float holdTime = 0f;
     private boolean holding;
     private Item lastItem;
 
-    public BlockInventoryFragment(InputHandler input){
-        this.input = input;
-    }
-
     @Remote(called = Loc.server, targets = Loc.both, forward = true)
     public static void requestItem(Player player, Tile tile, Item item, int amount){
         if(player == null || tile == null) return;
@@ -133,7 +131,7 @@ public class BlockInventoryFragment extends Fragment{
                 HandCursorListener l = new HandCursorListener();
                 l.setEnabled(canPick);
 
-                ItemImage image = new ItemImage(item.icon(Icon.xlarge), () -> {
+                Element image = itemImage(item.icon(Icon.xlarge), () -> {
                     if(tile == null || tile.entity == null){
                         return "";
                     }
@@ -182,9 +180,9 @@ public class BlockInventoryFragment extends Fragment{
     private String round(float f){
         f = (int)f;
         if(f >= 1000000){
-            return Strings.fixed(f / 1000000f, 1) + "[gray]mil[]";
+            return (int)(f / 1000000f) + "[gray]mil[]";
         }else if(f >= 1000){
-            return Strings.fixed(f / 1000, 1) + "k";
+            return (int)(f / 1000) + "k";
         }else{
             return (int)f + "";
         }
@@ -195,4 +193,15 @@ public class BlockInventoryFragment extends Fragment{
         table.pack();
         table.setPosition(v.x, v.y, Align.topLeft);
     }
+
+    private Element itemImage(TextureRegion region, Supplier<CharSequence> text){
+        Stack stack = new Stack();
+
+        Table t = new Table().left().bottom();
+        t.label(text);
+
+        stack.add(new Image(region));
+        stack.add(t);
+        return stack;
+    }
 }
diff --git a/core/src/io/anuke/mindustry/ui/fragments/ChatFragment.java b/core/src/io/anuke/mindustry/ui/fragments/ChatFragment.java
index df9e17abdf..f2bcf3ea48 100644
--- a/core/src/io/anuke/mindustry/ui/fragments/ChatFragment.java
+++ b/core/src/io/anuke/mindustry/ui/fragments/ChatFragment.java
@@ -34,7 +34,6 @@ public class ChatFragment extends Table{
     private BitmapFont font;
     private GlyphLayout layout = new GlyphLayout();
     private float offsetx = Unit.dp.scl(4), offsety = Unit.dp.scl(4), fontoffsetx = Unit.dp.scl(2), chatspace = Unit.dp.scl(50);
-    private float textWidth = Unit.dp.scl(600);
     private Color shadowColor = new Color(0, 0, 0, 0.4f);
     private float textspacing = Unit.dp.scl(10);
     private Array<String> history = new Array<>();
@@ -124,6 +123,7 @@ public class ChatFragment extends Table{
     @Override
     public void draw(){
         float opacity = Core.settings.getInt("chatopacity") / 100f;
+        float textWidth = Math.min(Core.graphics.getWidth()/1.5f, Unit.dp.scl(700f));
 
         Draw.color(shadowColor);
 
diff --git a/core/src/io/anuke/mindustry/ui/fragments/OverlayFragment.java b/core/src/io/anuke/mindustry/ui/fragments/OverlayFragment.java
index 6493496d76..c7fd119393 100644
--- a/core/src/io/anuke/mindustry/ui/fragments/OverlayFragment.java
+++ b/core/src/io/anuke/mindustry/ui/fragments/OverlayFragment.java
@@ -3,7 +3,7 @@ package io.anuke.mindustry.ui.fragments;
 import io.anuke.arc.scene.Group;
 import io.anuke.mindustry.input.InputHandler;
 
-/** Fragment for displaying overlays such as block inventories. One is created for each input handler. */
+/** Fragment for displaying overlays such as block inventories. */
 public class OverlayFragment extends Fragment{
     public final BlockInventoryFragment inv;
     public final BlockConfigFragment config;
@@ -11,8 +11,8 @@ public class OverlayFragment extends Fragment{
     private Group group = new Group();
 
     public OverlayFragment(InputHandler input){
-        inv = new BlockInventoryFragment(input);
-        config = new BlockConfigFragment(input);
+        inv = new BlockInventoryFragment();
+        config = new BlockConfigFragment();
     }
 
     @Override
diff --git a/core/src/io/anuke/mindustry/world/Block.java b/core/src/io/anuke/mindustry/world/Block.java
index 63bba0c07f..d1caf70b5c 100644
--- a/core/src/io/anuke/mindustry/world/Block.java
+++ b/core/src/io/anuke/mindustry/world/Block.java
@@ -284,7 +284,8 @@ public class Block extends BlockStorage{
 
     /** Call when some content is produced. This unlocks the content if it is applicable. */
     public void useContent(Tile tile, UnlockableContent content){
-        if(!headless && tile.getTeam() == player.getTeam()){
+        //only unlocks content in zones
+        if(!headless && tile.getTeam() == player.getTeam() && world.isZone()){
             logic.handleContent(content);
         }
     }