diff --git a/core/assets/maps/craters.mmap b/core/assets/maps/craters.mmap
index b3a6e5432d..6b614e442a 100644
Binary files a/core/assets/maps/craters.mmap and b/core/assets/maps/craters.mmap differ
diff --git a/core/assets/maps/nuclearProductionComplex.mmap b/core/assets/maps/nuclearProductionComplex.mmap
index ad90b921fd..6128b705b8 100644
Binary files a/core/assets/maps/nuclearProductionComplex.mmap and b/core/assets/maps/nuclearProductionComplex.mmap differ
diff --git a/core/src/io/anuke/mindustry/content/UnitTypes.java b/core/src/io/anuke/mindustry/content/UnitTypes.java
index 36178915dd..1686a3cc92 100644
--- a/core/src/io/anuke/mindustry/content/UnitTypes.java
+++ b/core/src/io/anuke/mindustry/content/UnitTypes.java
@@ -51,8 +51,8 @@ public class UnitTypes implements ContentList{
         }};
 
         crawler = new UnitType("crawler", Crawler.class, Crawler::new){{
-            maxVelocity = 1.1f;
-            speed = 0.22f;
+            maxVelocity = 1.2f;
+            speed = 0.26f;
             drag = 0.4f;
             hitsize = 8f;
             mass = 1.75f;
diff --git a/core/src/io/anuke/mindustry/content/Zones.java b/core/src/io/anuke/mindustry/content/Zones.java
index 059f2261e9..6a1d3ec0da 100644
--- a/core/src/io/anuke/mindustry/content/Zones.java
+++ b/core/src/io/anuke/mindustry/content/Zones.java
@@ -75,9 +75,9 @@ public class Zones implements ContentList{
             rules = () -> new Rules(){{
                 waves = true;
                 waveTimer = true;
-                waveSpacing = 60 * 60 * 1.5f;
+                waveSpacing = 60 * 60 * 1f;
                 spawns = Array.with(
-                    new SpawnGroup(UnitTypes.dagger){{
+                    new SpawnGroup(UnitTypes.crawler){{
                         unitScaling = 1.5f;
                     }},
 
@@ -89,7 +89,7 @@ public class Zones implements ContentList{
                     }},
 
                     new SpawnGroup(UnitTypes.dagger){{
-                        begin = 10;
+                        begin = 3;
                         unitScaling = 1.5f;
                     }},
 
@@ -446,7 +446,7 @@ public class Zones implements ContentList{
             launchPeriod = 20;
             zoneRequirements = new Zone[]{ruinousShores};
             blockRequirements = new Block[]{Blocks.thermalGenerator};
-            resources = new Item[]{Items.copper, Items.scrap, Items.lead, Items.coal, Items.titanium};
+            resources = new Item[]{Items.copper, Items.scrap, Items.lead, Items.coal, Items.titanium, Items.sand};
             rules = () -> new Rules(){{
                 waves = true;
                 waveTimer = true;
@@ -549,7 +549,7 @@ public class Zones implements ContentList{
             launchPeriod = 15;
             zoneRequirements = new Zone[]{impact};
             blockRequirements = new Block[]{Blocks.blastDrill, Blocks.thermalGenerator};
-            resources = new Item[]{Items.copper, Items.scrap, Items.lead, Items.coal, Items.titanium, Items.thorium};
+            resources = new Item[]{Items.copper, Items.scrap, Items.lead, Items.coal, Items.titanium, Items.thorium, Items.sand};
             rules = () -> new Rules(){{
                 waves = true;
                 waveTimer = true;
diff --git a/core/src/io/anuke/mindustry/type/Zone.java b/core/src/io/anuke/mindustry/type/Zone.java
index e7d72001a8..0877deb4fd 100644
--- a/core/src/io/anuke/mindustry/type/Zone.java
+++ b/core/src/io/anuke/mindustry/type/Zone.java
@@ -17,6 +17,8 @@ import io.anuke.mindustry.maps.generators.Generator;
 import io.anuke.mindustry.maps.generators.MapGenerator;
 import io.anuke.mindustry.world.Block;
 
+import java.util.Arrays;
+
 import static io.anuke.mindustry.Vars.data;
 import static io.anuke.mindustry.Vars.state;
 
@@ -133,6 +135,7 @@ public class Zone extends UnlockableContent{
     @Override
     public void init(){
         generator.init(loadout);
+        Arrays.sort(resources);
 
         Array<ItemStack> arr = Core.settings.getObject(name + "-starting-items", Array.class, () -> null);
         if(arr != null){