diff --git a/core/src/io/anuke/mindustry/game/DefaultWaves.java b/core/src/io/anuke/mindustry/game/DefaultWaves.java
index 4a4899da30..541d933251 100644
--- a/core/src/io/anuke/mindustry/game/DefaultWaves.java
+++ b/core/src/io/anuke/mindustry/game/DefaultWaves.java
@@ -11,13 +11,20 @@ public class DefaultWaves{
         if(spawns == null && UnitTypes.dagger != null){
             spawns = Array.with(
             new SpawnGroup(UnitTypes.dagger){{
-                end = 8;
+                end = 10;
+                unitScaling = 2f;
+            }},
+
+            new SpawnGroup(UnitTypes.crawler){{
+                begin = 5;
+                end = 13;
+                unitAmount = 2;
                 unitScaling = 1.5f;
             }},
 
             new SpawnGroup(UnitTypes.wraith){{
                 begin = 12;
-                end = 14;
+                end = 16;
                 unitScaling = 1f;
             }},
 
@@ -39,7 +46,7 @@ public class DefaultWaves{
             new SpawnGroup(UnitTypes.dagger){{
                 begin = 8;
                 unitScaling = 1;
-                unitAmount = 1;
+                unitAmount = 4;
                 spacing = 2;
             }},
 
diff --git a/core/src/io/anuke/mindustry/game/Rules.java b/core/src/io/anuke/mindustry/game/Rules.java
index d60c6d82e6..90b6521a55 100644
--- a/core/src/io/anuke/mindustry/game/Rules.java
+++ b/core/src/io/anuke/mindustry/game/Rules.java
@@ -66,7 +66,7 @@ public class Rules{
     /** Whether this is the editor gamemode. */
     public boolean editor = false;
     /** Items that the player starts with here. Not applicable to zones.*/
-    public Array<ItemStack> startingItems = Array.with(new ItemStack(Items.copper, 100));
+    public Array<ItemStack> startingItems = Array.with(new ItemStack(Items.copper, 200));
 
     /** Copies this ruleset exactly. Not very efficient at all, do not use often. */
     public Rules copy(){
diff --git a/core/src/io/anuke/mindustry/type/ItemStack.java b/core/src/io/anuke/mindustry/type/ItemStack.java
index b99cf26069..c8f6be3e59 100644
--- a/core/src/io/anuke/mindustry/type/ItemStack.java
+++ b/core/src/io/anuke/mindustry/type/ItemStack.java
@@ -11,6 +11,11 @@ public class ItemStack implements Comparable<ItemStack>{
         this.amount = amount;
     }
 
+    //serialization only
+    public ItemStack(){
+
+    }
+
     public boolean equals(ItemStack other){
         return other != null && other.item == item && other.amount == amount;
     }
diff --git a/core/src/io/anuke/mindustry/world/blocks/BlockPart.java b/core/src/io/anuke/mindustry/world/blocks/BlockPart.java
index e177217ffa..21da5964dd 100644
--- a/core/src/io/anuke/mindustry/world/blocks/BlockPart.java
+++ b/core/src/io/anuke/mindustry/world/blocks/BlockPart.java
@@ -1,5 +1,7 @@
 package io.anuke.mindustry.world.blocks;
 
+import io.anuke.mindustry.type.Item;
+import io.anuke.mindustry.type.Liquid;
 import io.anuke.mindustry.world.Block;
 import io.anuke.mindustry.world.Tile;
 
@@ -28,6 +30,28 @@ public class BlockPart extends Block{
         return parts[dx + maxSize/2][dy + maxSize/2];
     }
 
+    @Override
+    public boolean acceptItem(Item item, Tile tile, Tile source){
+        return tile.link().block().acceptItem(item, tile.link(), source);
+    }
+
+    @Override
+    public void handleItem(Item item, Tile tile, Tile source){
+        tile.link().block().handleItem(item, tile.link(), source);
+    }
+
+    @Override
+    public void handleLiquid(Tile tile, Tile source, Liquid liquid, float amount){
+        Block block = tile.link().block();
+        block.handleLiquid(tile.link(), source, liquid, amount);
+    }
+
+    @Override
+    public boolean acceptLiquid(Tile tile, Tile source, Liquid liquid, float amount){
+        Block block = tile.link().block();
+        return block.hasLiquids && block.acceptLiquid(tile.link(), source, liquid, amount);
+    }
+
     @Override
     public Tile linked(Tile tile){
         return tile.getNearby(-dx, -dy);
diff --git a/core/src/io/anuke/mindustry/world/blocks/defense/ForceProjector.java b/core/src/io/anuke/mindustry/world/blocks/defense/ForceProjector.java
index 1db6033d79..c0a857f625 100644
--- a/core/src/io/anuke/mindustry/world/blocks/defense/ForceProjector.java
+++ b/core/src/io/anuke/mindustry/world/blocks/defense/ForceProjector.java
@@ -60,6 +60,11 @@ public class ForceProjector extends Block{
         consumes.add(new ConsumeLiquidFilter(liquid -> liquid.temperature <= 0.5f && liquid.flammability < 0.1f, 0.1f)).boost().update(false);
     }
 
+    @Override
+    public boolean outputsItems(){
+        return false;
+    }
+
     @Override
     public void load(){
         super.load();
diff --git a/core/src/io/anuke/mindustry/world/blocks/defense/MendProjector.java b/core/src/io/anuke/mindustry/world/blocks/defense/MendProjector.java
index dc8075a680..2afb132878 100644
--- a/core/src/io/anuke/mindustry/world/blocks/defense/MendProjector.java
+++ b/core/src/io/anuke/mindustry/world/blocks/defense/MendProjector.java
@@ -45,6 +45,11 @@ public class MendProjector extends Block{
         hasItems = true;
     }
 
+    @Override
+    public boolean outputsItems(){
+        return false;
+    }
+
     @Override
     public void load(){
         super.load();
diff --git a/core/src/io/anuke/mindustry/world/blocks/defense/OverdriveProjector.java b/core/src/io/anuke/mindustry/world/blocks/defense/OverdriveProjector.java
index 98293c8066..711a45dc74 100644
--- a/core/src/io/anuke/mindustry/world/blocks/defense/OverdriveProjector.java
+++ b/core/src/io/anuke/mindustry/world/blocks/defense/OverdriveProjector.java
@@ -43,6 +43,11 @@ public class OverdriveProjector extends Block{
         canOverdrive = false;
     }
 
+    @Override
+    public boolean outputsItems(){
+        return false;
+    }
+
     @Override
     public void load(){
         super.load();
diff --git a/core/src/io/anuke/mindustry/world/blocks/distribution/Junction.java b/core/src/io/anuke/mindustry/world/blocks/distribution/Junction.java
index f2d2786fc7..bd55e5ef33 100644
--- a/core/src/io/anuke/mindustry/world/blocks/distribution/Junction.java
+++ b/core/src/io/anuke/mindustry/world/blocks/distribution/Junction.java
@@ -42,6 +42,7 @@ public class Junction extends Block{
 
                     Item item = content.item(BufferItem.item(l));
                     Tile dest = tile.getNearby(i);
+                    if(dest != null) dest = dest.link();
 
                     //skip blocks that don't want the item, keep waiting until they do
                     if(dest == null || !dest.block().acceptItem(item, dest, tile)){