diff --git a/core/assets/maps/craters.msav b/core/assets/maps/craters.msav
index 17f07a58b6..c0bd73e09b 100644
Binary files a/core/assets/maps/craters.msav and b/core/assets/maps/craters.msav differ
diff --git a/core/assets/maps/groundZero.msav b/core/assets/maps/groundZero.msav
index a09d2bfcc7..4e6900b4c3 100644
Binary files a/core/assets/maps/groundZero.msav and b/core/assets/maps/groundZero.msav differ
diff --git a/core/assets/maps/ruinousShores.msav b/core/assets/maps/ruinousShores.msav
index 9e85303605..9d8708c6f0 100644
Binary files a/core/assets/maps/ruinousShores.msav and b/core/assets/maps/ruinousShores.msav differ
diff --git a/core/assets/maps/saltFlats.msav b/core/assets/maps/saltFlats.msav
index 4d63be50cd..6c2ae62d65 100644
Binary files a/core/assets/maps/saltFlats.msav and b/core/assets/maps/saltFlats.msav differ
diff --git a/core/src/io/anuke/mindustry/content/Zones.java b/core/src/io/anuke/mindustry/content/Zones.java
index bb0a5a692f..46dcd7fbfd 100644
--- a/core/src/io/anuke/mindustry/content/Zones.java
+++ b/core/src/io/anuke/mindustry/content/Zones.java
@@ -78,14 +78,14 @@ public class Zones implements ContentList{
         }};
 
         saltFlats = new Zone("saltFlats", new MapGenerator("saltFlats")){{
-            startingItems = ItemStack.list(Items.copper, 200, Items.silicon, 100, Items.lead, 200);
+            startingItems = ItemStack.list(Items.copper, 200, Items.silicon, 200, Items.lead, 200);
             alwaysUnlocked = true;
             conditionWave = 5;
             launchPeriod = 5;
             loadout = Loadouts.basicFoundation;
             zoneRequirements = ZoneRequirement.with(desertWastes, 60);
-            blockRequirements = new Block[]{Blocks.daggerFactory, Blocks.draugFactory};
-            resources = new Item[]{Items.copper, Items.scrap, Items.lead, Items.coal, Items.sand};
+            blockRequirements = new Block[]{Blocks.daggerFactory, Blocks.draugFactory, Blocks.door};
+            resources = new Item[]{Items.copper, Items.scrap, Items.lead, Items.coal, Items.sand, Items.titanium};
         }};
 
         frozenForest = new Zone("frozenForest", new MapGenerator("frozenForest", 1)
diff --git a/core/src/io/anuke/mindustry/ui/dialogs/DeployDialog.java b/core/src/io/anuke/mindustry/ui/dialogs/DeployDialog.java
index 2b0e1b9fcf..1ff47ea3d7 100644
--- a/core/src/io/anuke/mindustry/ui/dialogs/DeployDialog.java
+++ b/core/src/io/anuke/mindustry/ui/dialogs/DeployDialog.java
@@ -170,7 +170,7 @@ public class DeployDialog extends FloatingDialog{
         button.setDisabled(() -> hidden(zone));
         button.clicked(() -> info.show(zone));
 
-        if(zone.unlocked()){
+        if(zone.unlocked() && !hidden(zone)){
             button.labelWrap(zone.localizedName()).style("outline").width(140).growX().get().setAlignment(Align.center);
         }else{
             button.addImage("icon-locked");
diff --git a/core/src/io/anuke/mindustry/ui/fragments/FadeInFragment.java b/core/src/io/anuke/mindustry/ui/fragments/FadeInFragment.java
index 111eeb9454..4d903430dc 100644
--- a/core/src/io/anuke/mindustry/ui/fragments/FadeInFragment.java
+++ b/core/src/io/anuke/mindustry/ui/fragments/FadeInFragment.java
@@ -5,7 +5,6 @@ import io.anuke.arc.graphics.g2d.*;
 import io.anuke.arc.math.*;
 import io.anuke.arc.scene.*;
 import io.anuke.arc.scene.event.*;
-import io.anuke.arc.util.*;
 
 /** Fades in a black overlay.*/
 public class FadeInFragment extends Fragment{
@@ -30,7 +29,7 @@ public class FadeInFragment extends Fragment{
             @Override
             public void act(float delta){
                 super.act(delta);
-                time += Time.delta() / duration;
+                time += 1f / duration;
                 if(time > 1){
                     remove();
                 }
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 d5909925fd..7721d95510 100644
--- a/core/src/io/anuke/mindustry/world/blocks/defense/MendProjector.java
+++ b/core/src/io/anuke/mindustry/world/blocks/defense/MendProjector.java
@@ -78,12 +78,12 @@ public class MendProjector extends Block{
             float realRange = range + entity.phaseHeat * phaseRangeBoost;
             entity.charge = 0f;
 
-            int tileRange = (int)(realRange / tilesize);
+            int tileRange = (int)(realRange / tilesize + 1);
             healed.clear();
 
             for(int x = -tileRange + tile.x; x <= tileRange + tile.x; x++){
                 for(int y = -tileRange + tile.y; y <= tileRange + tile.y; y++){
-                    if(Mathf.dst(x, y, tile.x, tile.y) > tileRange) continue;
+                    if(!Mathf.within(x * tilesize, y * tilesize, tile.drawx(), tile.drawy(), realRange)) continue;
 
                     Tile other = world.ltile(x, y);
 
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 c27f786103..5ff8c2ba94 100644
--- a/core/src/io/anuke/mindustry/world/blocks/defense/OverdriveProjector.java
+++ b/core/src/io/anuke/mindustry/world/blocks/defense/OverdriveProjector.java
@@ -84,12 +84,12 @@ public class OverdriveProjector extends Block{
 
             entity.charge = 0f;
 
-            int tileRange = (int)(realRange / tilesize);
+            int tileRange = (int)(realRange / tilesize + 1);
             healed.clear();
 
             for(int x = -tileRange + tile.x; x <= tileRange + tile.x; x++){
                 for(int y = -tileRange + tile.y; y <= tileRange + tile.y; y++){
-                    if(Mathf.dst(x, y, tile.x, tile.y) > tileRange) continue;
+                    if(!Mathf.within(x * tilesize, y * tilesize, tile.drawx(), tile.drawy(), realRange)) continue;
 
                     Tile other = world.ltile(x, y);
 
diff --git a/core/src/io/anuke/mindustry/world/blocks/power/PowerGraph.java b/core/src/io/anuke/mindustry/world/blocks/power/PowerGraph.java
index f3517801a3..172ad36f28 100644
--- a/core/src/io/anuke/mindustry/world/blocks/power/PowerGraph.java
+++ b/core/src/io/anuke/mindustry/world/blocks/power/PowerGraph.java
@@ -209,6 +209,7 @@ public class PowerGraph{
     }
 
     public void add(Tile tile){
+        if(tile.entity == null || tile.entity.power == null) return;
         tile.entity.power.graph = this;
         all.add(tile);
 
diff --git a/core/src/io/anuke/mindustry/world/blocks/power/PowerNode.java b/core/src/io/anuke/mindustry/world/blocks/power/PowerNode.java
index aa5941aca8..f3816f9a15 100644
--- a/core/src/io/anuke/mindustry/world/blocks/power/PowerNode.java
+++ b/core/src/io/anuke/mindustry/world/blocks/power/PowerNode.java
@@ -2,6 +2,7 @@ package io.anuke.mindustry.world.blocks.power;
 
 import io.anuke.annotations.Annotations.*;
 import io.anuke.arc.*;
+import io.anuke.arc.function.*;
 import io.anuke.arc.graphics.*;
 import io.anuke.arc.graphics.g2d.*;
 import io.anuke.arc.math.*;
@@ -105,14 +106,20 @@ public class PowerNode extends PowerBlock{
             Call.linkPowerNodes(null, tile, before);
         }
 
+        Predicate<Tile> valid = other -> other != null && other != tile && ((!other.block().outputsPower && other.block().consumesPower) || (other.block().outputsPower && !other.block().consumesPower)) && linkValid(tile, other)
+        && !other.entity.proximity().contains(tile) && other.entity.power.graph != tile.entity.power.graph;
+
+        tempTiles.clear();
         Geometry.circle(tile.x, tile.y, (int)(laserRange + 1), (x, y) -> {
             Tile other = world.ltile(x, y);
-            if(other != null && other != tile && ((!other.block().outputsPower && other.block().consumesPower) || (other.block().outputsPower && !other.block().consumesPower)) && linkValid(tile, other)
-               && !other.entity.proximity().contains(tile) && other.entity.power.graph != tile.entity.power.graph){
-                Call.linkPowerNodes(null, tile, other);
+            if(valid.test(other)){
+                tempTiles.add(other);
             }
         });
 
+        tempTiles.sort(Structs.comparingFloat(t -> t.dst2(tile)));
+        tempTiles.each(valid, other -> Call.linkPowerNodes(null, tile, other));
+
         lastPlaced = tile.pos();
         super.playerPlaced(tile);
     }