diff --git a/core/src/io/anuke/mindustry/Vars.java b/core/src/io/anuke/mindustry/Vars.java
index d241e64c2c..37374a0ce2 100644
--- a/core/src/io/anuke/mindustry/Vars.java
+++ b/core/src/io/anuke/mindustry/Vars.java
@@ -35,7 +35,7 @@ public class Vars{
     //time between waves in frames (on normal mode)
     public static final float wavespace = 60 * 60 * 1.5f;
 
-    public static final float mineTransferRange = 300f;
+    public static final float mineTransferRange = 310f;
     //set ridiculously high for now
     public static final float coreBuildRange = 999999f;
     //team of the player by default
diff --git a/core/src/io/anuke/mindustry/entities/units/UnitDrops.java b/core/src/io/anuke/mindustry/entities/units/UnitDrops.java
index 4965979f8e..de91dddce6 100644
--- a/core/src/io/anuke/mindustry/entities/units/UnitDrops.java
+++ b/core/src/io/anuke/mindustry/entities/units/UnitDrops.java
@@ -1,30 +1,43 @@
 package io.anuke.mindustry.entities.units;
 
+import io.anuke.mindustry.Vars;
+import io.anuke.mindustry.content.Items;
+import io.anuke.mindustry.entities.TileEntity;
+import io.anuke.mindustry.gen.Call;
 import io.anuke.mindustry.type.Item;
+import io.anuke.ucore.util.Mathf;
 
 public class UnitDrops{
-    private static final int maxItems = 200;
     private static Item[] dropTable;
 
     public static void dropItems(BaseUnit unit){
-        //just don't drop anything for now
-        /*
-        if(Vars.itemGroup.size() > maxItems || unit.getTeam() != Team.red){
+        //items only dropped in waves for enemy team
+        if(unit.getTeam() != Vars.waveTeam || Vars.state.mode.disableWaves){
+            return;
+        }
+
+        TileEntity core = unit.getClosestEnemyCore();
+
+        if(core == null){
             return;
         }
 
         if(dropTable == null){
-            dropTable = new Item[]{Items.densealloy, Items.lead, Items.copper};
+            dropTable = new Item[]{Items.densealloy, Items.silicon, Items.lead, Items.copper};
         }
 
         for(int i = 0; i < 3; i++){
             for(Item item : dropTable){
+                //only drop unlocked items
+                if(!Vars.headless && !Vars.control.database().isUnlocked(item)){
+                    continue;
+                }
+
                 if(Mathf.chance(0.03)){
                     int amount = Mathf.random(20, 40);
-                    ItemDrop.create(item, amount, unit.x + Mathf.range(2f), unit.y + Mathf.range(2f),
-                            unit.getVelocity().x + Mathf.range(3f), unit.getVelocity().y + Mathf.range(3f));
+                    Call.transferItemTo(item, amount, unit.x + Mathf.range(2f), unit.y + Mathf.range(2f), core.tile);
                 }
             }
-        }*/
+        }
     }
 }
diff --git a/core/src/io/anuke/mindustry/world/blocks/distribution/MassDriver.java b/core/src/io/anuke/mindustry/world/blocks/distribution/MassDriver.java
index 075e8fc4ca..85d09e5cb9 100644
--- a/core/src/io/anuke/mindustry/world/blocks/distribution/MassDriver.java
+++ b/core/src/io/anuke/mindustry/world/blocks/distribution/MassDriver.java
@@ -1,5 +1,6 @@
 package io.anuke.mindustry.world.blocks.distribution;
 
+import com.badlogic.gdx.graphics.Color;
 import com.badlogic.gdx.graphics.g2d.TextureRegion;
 import com.badlogic.gdx.utils.ObjectSet;
 import com.badlogic.gdx.utils.Pool.Poolable;
@@ -7,6 +8,7 @@ import io.anuke.annotations.Annotations.Loc;
 import io.anuke.annotations.Annotations.Remote;
 import io.anuke.mindustry.content.bullets.TurretBullets;
 import io.anuke.mindustry.content.fx.BlockFx;
+import io.anuke.mindustry.content.fx.EnvironmentFx;
 import io.anuke.mindustry.content.fx.ShootFx;
 import io.anuke.mindustry.entities.Player;
 import io.anuke.mindustry.entities.TileEntity;
@@ -282,6 +284,16 @@ public class MassDriver extends Block{
                 }
             }
 
+            //drop all items remaining on the ground
+            for(int i = 0; i < data.items.length; i++){
+                int amountDropped = Mathf.random(0, data.items[i]);
+                if(amountDropped > 0){
+                    float angle = Mathf.range(180f);
+                    float vs = Mathf.random(0f, 4f);
+                    Effects.effect(EnvironmentFx.dropItem, Color.WHITE, bullet.x, bullet.y, angle, content.item(i));
+                }
+            }
+
             reload = 1f;
             Effects.shake(shake, shake, this);
             Effects.effect(recieveEffect, bullet);