diff --git a/core/assets/maps/hidden/serpulo-12.msav b/core/assets/maps/hidden/serpulo-12.msav
new file mode 100644
index 0000000000..608b683a87
Binary files /dev/null and b/core/assets/maps/hidden/serpulo-12.msav differ
diff --git a/core/assets/maps/hidden/serpulo-173.msav b/core/assets/maps/hidden/serpulo-173.msav
new file mode 100644
index 0000000000..f8c2fa0f77
Binary files /dev/null and b/core/assets/maps/hidden/serpulo-173.msav differ
diff --git a/core/assets/maps/hidden/serpulo-240.msav b/core/assets/maps/hidden/serpulo-240.msav
new file mode 100644
index 0000000000..fafa6580de
Binary files /dev/null and b/core/assets/maps/hidden/serpulo-240.msav differ
diff --git a/core/assets/maps/hidden/serpulo-241.msav b/core/assets/maps/hidden/serpulo-241.msav
new file mode 100644
index 0000000000..357c5d8a6d
Binary files /dev/null and b/core/assets/maps/hidden/serpulo-241.msav differ
diff --git a/core/assets/maps/hidden/serpulo-243.msav b/core/assets/maps/hidden/serpulo-243.msav
new file mode 100644
index 0000000000..e15ff286e5
Binary files /dev/null and b/core/assets/maps/hidden/serpulo-243.msav differ
diff --git a/core/assets/maps/hidden/serpulo-25.msav b/core/assets/maps/hidden/serpulo-25.msav
new file mode 100644
index 0000000000..1f2a7f5a66
Binary files /dev/null and b/core/assets/maps/hidden/serpulo-25.msav differ
diff --git a/core/assets/maps/hidden/serpulo-68.msav b/core/assets/maps/hidden/serpulo-68.msav
new file mode 100644
index 0000000000..c5d510f495
Binary files /dev/null and b/core/assets/maps/hidden/serpulo-68.msav differ
diff --git a/core/assets/maps/hidden/serpulo-82.msav b/core/assets/maps/hidden/serpulo-82.msav
new file mode 100644
index 0000000000..faccd0a6a3
Binary files /dev/null and b/core/assets/maps/hidden/serpulo-82.msav differ
diff --git a/core/src/mindustry/content/SectorPresets.java b/core/src/mindustry/content/SectorPresets.java
index baaa86ad33..efd3161f7e 100644
--- a/core/src/mindustry/content/SectorPresets.java
+++ b/core/src/mindustry/content/SectorPresets.java
@@ -163,6 +163,18 @@ public class SectorPresets{
             difficulty = 10;
         }};
 
+        //TODO: for wave survival sectors the capture wave is incorrect
+        registerHiddenSectors(serpulo,
+        68, //Winter Forest by wpx: https://discord.com/channels/391020510269669376/1165421701362897000/1235654407006322700
+        241,//River Bastion by wpx: https://discord.com/channels/391020510269669376/1165421701362897000/1232658317126402050
+        173,//Front Line by stormrider: https://discord.com/channels/391020510269669376/1165421701362897000/1188484967064404061
+        25, //HochuPizzu by wpx: https://discord.com/channels/391020510269669376/1165421701362897000/1170279703056228515
+        12, //Salt Outpost by skeledragon: https://discord.com/channels/391020510269669376/1165421701362897000/1193441915459338361
+        82, //Desert Wastes by xaphiro_: https://discord.com/channels/391020510269669376/1165421701362897000/1226498922898264157
+        243,//Port 012 by skeledragon: https://discord.com/channels/391020510269669376/1165421701362897000/1174884280242012262
+        240 //Cold Grove by wpx: https://discord.com/channels/391020510269669376/1165421701362897000/1230550892718194742
+        );
+
         //endregion
         //region erekir
 
@@ -186,11 +198,11 @@ public class SectorPresets{
             attackAfterWaves = true;
         }};
 
-        atlas = new SectorPreset("atlas", erekir, 14){{ //TODO random sector, pick a better one
+        atlas = new SectorPreset("atlas", erekir, 14){{
             difficulty = 5;
         }};
 
-        split = new SectorPreset("split", erekir, 19){{ //TODO random sector, pick a better one
+        split = new SectorPreset("split", erekir, 19){{
             difficulty = 2;
         }};
 
@@ -244,4 +256,12 @@ public class SectorPresets{
 
         //endregion
     }
+
+    static void registerHiddenSectors(Planet planet, int... ids){
+        for(int id : ids){
+            new SectorPreset("sector-" + planet.name + "-" + id, "hidden/" + planet + "-" + id, planet, id){{
+                requireUnlock = false;
+            }};
+        }
+    }
 }
diff --git a/core/src/mindustry/maps/planet/SerpuloPlanetGenerator.java b/core/src/mindustry/maps/planet/SerpuloPlanetGenerator.java
index ec2eabb29b..3a033d6bef 100644
--- a/core/src/mindustry/maps/planet/SerpuloPlanetGenerator.java
+++ b/core/src/mindustry/maps/planet/SerpuloPlanetGenerator.java
@@ -73,7 +73,7 @@ public class SerpuloPlanetGenerator extends PlanetGenerator{
 
     @Override
     public void getLockedText(Sector hovered, StringBuilder out){
-        if(hovered.preset == null && hovered.near().contains(Sector::hasBase)){
+        if((hovered.preset == null || !hovered.preset.requireUnlock) && hovered.near().contains(Sector::hasBase)){
             out.append("[red]").append(Iconc.cancel).append("[]").append(Blocks.coreFoundation.emoji()).append(Core.bundle.get("sector.foundationrequired"));
         }else{
             super.getLockedText(hovered, out);
diff --git a/core/src/mindustry/type/Planet.java b/core/src/mindustry/type/Planet.java
index e607481bb1..d793ef887e 100644
--- a/core/src/mindustry/type/Planet.java
+++ b/core/src/mindustry/type/Planet.java
@@ -331,7 +331,7 @@ public class Planet extends UnlockableContent{
                 sum += 0.88f;
             }
 
-            sector.threat = sector.preset == null ?
+            sector.threat = sector.preset == null || !sector.preset.requireUnlock ?
                 Math.max(Math.min(sum / 5f, 1.2f), 0.3f) : //low threat sectors are pointless
                 Mathf.clamp(sector.preset.difficulty / 10f);
         }
diff --git a/core/src/mindustry/type/Sector.java b/core/src/mindustry/type/Sector.java
index c7573b3c3a..1c2079e289 100644
--- a/core/src/mindustry/type/Sector.java
+++ b/core/src/mindustry/type/Sector.java
@@ -137,7 +137,7 @@ public class Sector{
     }
 
     public String name(){
-        if(preset != null && info.name == null) return preset.localizedName;
+        if(preset != null && info.name == null && preset.requireUnlock) return preset.localizedName;
         //single-sector "planets" use their own name for the sector name.
         if(info.name == null && planet.sectors.size == 1){
             return planet.localizedName;
diff --git a/core/src/mindustry/type/SectorPreset.java b/core/src/mindustry/type/SectorPreset.java
index 786c58829c..958856633c 100644
--- a/core/src/mindustry/type/SectorPreset.java
+++ b/core/src/mindustry/type/SectorPreset.java
@@ -2,6 +2,7 @@ package mindustry.type;
 
 import arc.*;
 import arc.func.*;
+import arc.util.*;
 import mindustry.ctype.*;
 import mindustry.game.*;
 import mindustry.gen.*;
@@ -35,22 +36,27 @@ public class SectorPreset extends UnlockableContent{
     public boolean attackAfterWaves = false;
 
     public SectorPreset(String name, Planet planet, int sector){
-        this(name);
+        this(name, null, planet, sector);
+    }
+
+    public SectorPreset(String name, String fileName, Planet planet, int sector){
+        this(name, fileName, null);
         initialize(planet, sector);
     }
 
     /** Internal use only! */
     public SectorPreset(String name, LoadedMod mod){
+        this(name, null, mod);
+    }
+
+    /** Internal use only! */
+    public SectorPreset(String name, @Nullable String fileName, LoadedMod mod){
         super(name);
         if(mod != null){
             this.minfo.mod = mod;
         }
-        this.generator = new FileMapGenerator(this.name, this);
-    }
-
-    /** Internal use only! */
-    public SectorPreset(String name){
-       this(name, null);
+        //this.name can change based on the mod being loaded, so if a fileName is not specified, make sure to use the newly assigned this.name
+        this.generator = new FileMapGenerator(fileName == null ? this.name : fileName, this);
     }
 
     public void initialize(Planet planet, int sector){
diff --git a/core/src/mindustry/ui/dialogs/PlanetDialog.java b/core/src/mindustry/ui/dialogs/PlanetDialog.java
index d55f1e0c14..da138581e1 100644
--- a/core/src/mindustry/ui/dialogs/PlanetDialog.java
+++ b/core/src/mindustry/ui/dialogs/PlanetDialog.java
@@ -264,7 +264,7 @@ public class PlanetDialog extends BaseDialog implements PlanetInterfaceRenderer{
 
         //announce new presets
         for(SectorPreset preset : content.sectors()){
-            if(preset.unlocked() && !preset.alwaysUnlocked && !preset.sector.info.shown && !preset.sector.hasBase() && preset.planet == state.planet){
+            if(preset.unlocked() && !preset.alwaysUnlocked && !preset.sector.info.shown && preset.requireUnlock && !preset.sector.hasBase() && preset.planet == state.planet){
                 newPresets.add(preset.sector);
                 preset.sector.info.shown = true;
                 preset.sector.saveInfo();
@@ -539,7 +539,7 @@ public class PlanetDialog extends BaseDialog implements PlanetInterfaceRenderer{
                 var preficon = sec.icon();
                 var icon =
                     sec.isAttacked() ? Fonts.getLargeIcon("warning") :
-                    !sec.hasBase() && sec.preset != null && sec.preset.unlocked() && preficon == null ?
+                    !sec.hasBase() && sec.preset != null && sec.preset.requireUnlock && sec.preset.unlocked() && preficon == null ?
                     Fonts.getLargeIcon("terrain") :
                     sec.preset != null && sec.preset.requireUnlock && sec.preset.locked() && sec.preset.techNode != null && (sec.preset.techNode.parent == null || !sec.preset.techNode.parent.content.locked()) ? Fonts.getLargeIcon("lock") :
                     preficon;