diff --git a/core/src/io/anuke/mindustry/content/Mechs.java b/core/src/io/anuke/mindustry/content/Mechs.java
index 11145fcd73..dc88c1917d 100644
--- a/core/src/io/anuke/mindustry/content/Mechs.java
+++ b/core/src/io/anuke/mindustry/content/Mechs.java
@@ -37,7 +37,7 @@ public class Mechs implements ContentList{
 
         alpha = new Mech("alpha-mech", false){
             int maxDrones = 3;
-            float buildTime = 100f;
+            float buildTime = 200f;
 
             {
                 drillPower = 1;
diff --git a/core/src/io/anuke/mindustry/maps/SectorPresets.java b/core/src/io/anuke/mindustry/maps/SectorPresets.java
index 868153b847..ed2f150616 100644
--- a/core/src/io/anuke/mindustry/maps/SectorPresets.java
+++ b/core/src/io/anuke/mindustry/maps/SectorPresets.java
@@ -3,8 +3,7 @@ package io.anuke.mindustry.maps;
 import com.badlogic.gdx.utils.Array;
 import io.anuke.mindustry.content.Items;
 import io.anuke.mindustry.content.Mechs;
-import io.anuke.mindustry.content.blocks.UnitBlocks;
-import io.anuke.mindustry.content.blocks.UpgradeBlocks;
+import io.anuke.mindustry.content.blocks.*;
 import io.anuke.mindustry.entities.units.UnitCommand;
 import io.anuke.mindustry.maps.missions.*;
 import io.anuke.mindustry.type.Item;
@@ -14,29 +13,61 @@ import io.anuke.ucore.util.Structs;
 import static io.anuke.mindustry.Vars.mobile;
 
 public class SectorPresets{
-    private final GridMap<SectorPreset> presets = new GridMap<SectorPreset>(){{
+    private final GridMap<SectorPreset> presets = new GridMap<>();
+    private final GridMap<Array<Item>> orePresets = new GridMap<>();
+
+    public SectorPresets(){
+
         //base tutorial mission
-        put(0, 0, new SectorPreset(TutorialSector.getMissions(), 1));
+        add(new SectorPreset(0, 0,
+            TutorialSector.getMissions(),
+            Array.with(),
+            1));
 
         //water mission
-        put(-2, 0, new SectorPreset(Array.with(), 1));
-        //command center mission
-        //TODO generate enemy base
-        //TODO make 2x2
-        //TODO more gen info
-        put(0, 1, new SectorPreset(Structs.array(new BlockMission(UnitBlocks.daggerFactory), Missions.blockRecipe(UnitBlocks.commandCenter),
-            new CommandMission(UnitCommand.retreat), new CommandMission(UnitCommand.attack), new BattleMission()), 2));
-        //reconstructor mission
-        put(0, -1, new SectorPreset(Structs.array(Missions.blockRecipe(mobile ? UpgradeBlocks.tridentPad : UpgradeBlocks.deltaPad),
-            new MechMission(Mechs.delta)), 1));
-        //oil mission
-        put(1, 0, new SectorPreset(Array.with(), 1));
-    }};
+        add(new SectorPreset(-2, 0,
+            Structs.array(
+                Missions.blockRecipe(LiquidBlocks.mechanicalPump),
+                Missions.blockRecipe(ProductionBlocks.cultivator)
+            ),
+            Array.with(Items.copper, Items.lead, Items.copper),
+            2));
 
-    private final GridMap<Array<Item>> orePresets = new GridMap<Array<Item>>(){{
-        put(0, 0, Array.with(Items.copper));
-        put(1, 0, Array.with(Items.copper, Items.lead, Items.coal));
-    }};
+        //command center mission
+        add(new SectorPreset(2, 0,
+            Structs.array(
+                new BlockMission(UnitBlocks.daggerFactory),
+                Missions.blockRecipe(UnitBlocks.commandCenter),
+                new CommandMission(UnitCommand.retreat),
+                new CommandMission(UnitCommand.attack),
+                new BattleMission()
+            ),
+            Array.with(Items.copper, Items.lead, Items.copper),
+            2));
+
+        //reconstructor mission
+        add(new SectorPreset(0, -2,
+            Structs.array(
+                Missions.blockRecipe(mobile ? UpgradeBlocks.tridentPad : UpgradeBlocks.deltaPad),
+                new MechMission(Mechs.delta),
+                new WaveMission(15)
+            ),
+            Array.with(Items.copper, Items.lead, Items.copper, Items.titanium),
+            2));
+
+        //oil mission
+        add(new SectorPreset(0, 1,
+            Structs.array(
+                Missions.blockRecipe(ProductionBlocks.cultivator),
+                Missions.blockRecipe(CraftingBlocks.biomatterCompressor)
+            ),
+            Array.with(Items.copper, Items.lead, Items.copper, Items.titanium),
+            2));
+
+        //tutorial ore presets
+        orePresets.put(0, 0, Array.with(Items.copper));
+        orePresets.put(1, 0, Array.with(Items.copper, Items.lead, Items.coal));
+    }
 
     public Array<Item> getOres(int x, int y){
         return orePresets.get(x, y);
@@ -46,13 +77,26 @@ public class SectorPresets{
         return presets.get(x, y);
     }
 
+    private void add(SectorPreset preset){
+        for(int x = 0; x < preset.size; x++){
+            for(int y = 0; y < preset.size; y++){
+                presets.put(x + preset.x, y + preset.y, preset);
+                orePresets.put(x + preset.x, y + preset.y, preset.ores);
+            }
+        }
+    }
+
     public static class SectorPreset{
         public final Array<Mission> missions;
-        public final int size;
+        public final Array<Item> ores;
+        public final int size, x, y;
 
-        public SectorPreset(Array<Mission> missions, int size){
+        public SectorPreset(int x, int y, Array<Mission> missions, Array<Item> ores, int size){
             this.missions = missions;
             this.size = size;
+            this.x = x;
+            this.y = y;
+            this.ores = ores;
         }
 
         void generate(Sector sector){
diff --git a/core/src/io/anuke/mindustry/maps/Sectors.java b/core/src/io/anuke/mindustry/maps/Sectors.java
index aad906476d..5513b46b2a 100644
--- a/core/src/io/anuke/mindustry/maps/Sectors.java
+++ b/core/src/io/anuke/mindustry/maps/Sectors.java
@@ -293,6 +293,8 @@ public class Sectors{
             SectorPreset p = presets.get(sector.x, sector.y);
             sector.missions.addAll(p.missions);
             sector.width = sector.height = p.size;
+            sector.x = (short)p.x;
+            sector.y = (short)p.y;
         }else{
             genMissions(sector);
         }
diff --git a/core/src/io/anuke/mindustry/ui/dialogs/SettingsMenuDialog.java b/core/src/io/anuke/mindustry/ui/dialogs/SettingsMenuDialog.java
index 1dad214006..93d8620be6 100644
--- a/core/src/io/anuke/mindustry/ui/dialogs/SettingsMenuDialog.java
+++ b/core/src/io/anuke/mindustry/ui/dialogs/SettingsMenuDialog.java
@@ -151,7 +151,7 @@ public class SettingsMenuDialog extends SettingsDialog{
                     dialog.addCloseButton();
                     dialog.content().addButton("$text.settings.clearsectors", "clear", () -> {
                         ui.showConfirm("$text.confirm", "$text.settings.clear.confirm", () -> {
-                            Settings.putString("sectors", "{}");
+                            Settings.clearBytes("sectors");
                             Settings.save();
                             world.sectors().load();
                             dialog.hide();
@@ -160,7 +160,7 @@ public class SettingsMenuDialog extends SettingsDialog{
                     dialog.content().row();
                     dialog.content().addButton("$text.settings.clearunlocks", "clear", () -> {
                         ui.showConfirm("$text.confirm", "$text.settings.clear.confirm", () -> {
-                            Settings.putString("unlocks", "{}");
+                            Settings.clearBytes("unlocks");
                             Settings.save();
                             dialog.hide();
                         });