diff --git a/core/CMakeLists.txt b/core/CMakeLists.txt
index fc2a079e..c6559416 100644
--- a/core/CMakeLists.txt
+++ b/core/CMakeLists.txt
@@ -394,6 +394,7 @@ set(PRP_MOD_SOURCES
     PRP/Modifier/plAliasModifier.cpp
     PRP/Modifier/plAnimEventModifier.cpp
     PRP/Modifier/plAxisAnimModifier.cpp
+    PRP/Modifier/plCloneSpawnModifier.cpp
     PRP/Modifier/plExcludeRegionModifier.cpp
     PRP/Modifier/plFollowMod.cpp
     PRP/Modifier/plGameMarkerModifier.cpp
@@ -416,6 +417,7 @@ set(PRP_MOD_HEADERS
     PRP/Modifier/plAliasModifier.h
     PRP/Modifier/plAnimEventModifier.h
     PRP/Modifier/plAxisAnimModifier.h
+    PRP/Modifier/plCloneSpawnModifier.h
     PRP/Modifier/plExcludeRegionModifier.h
     PRP/Modifier/plFollowMod.h
     PRP/Modifier/plGameMarkerModifier.h
diff --git a/core/PRP/Modifier/plCloneSpawnModifier.cpp b/core/PRP/Modifier/plCloneSpawnModifier.cpp
new file mode 100644
index 00000000..a7457219
--- /dev/null
+++ b/core/PRP/Modifier/plCloneSpawnModifier.cpp
@@ -0,0 +1,64 @@
+/* This file is part of HSPlasma.
+ *
+ * HSPlasma is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * HSPlasma is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with HSPlasma.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "plCloneSpawnModifier.h"
+
+void plCloneSpawnModifier::read(hsStream* S, plResManager* mgr)
+{
+    if (S->getVer().isMoul()) {
+        plSingleModifier::read(S, mgr);
+        fTemplateName = S->readSafeStr();
+        fUserData = S->readInt();
+    } else {
+        // This is bad, but also never used in earlier Plasma versions
+        fTemplateName = S->readSafeStr();
+        plSingleModifier::read(S, mgr);
+    }
+}
+
+void plCloneSpawnModifier::write(hsStream* S, plResManager* mgr)
+{
+    if (S->getVer().isMoul()) {
+        plSingleModifier::write(S, mgr);
+        S->writeSafeStr(fTemplateName);
+        S->writeInt(fUserData);
+    } else {
+        // This is bad, but also never used in earlier Plasma versions
+        S->writeSafeStr(fTemplateName);
+        plSingleModifier::write(S, mgr);
+    }
+}
+
+void plCloneSpawnModifier::IPrcWrite(pfPrcHelper* prc)
+{
+    plSingleModifier::IPrcWrite(prc);
+
+    prc->startTag("SpawnParams");
+    prc->writeParam("TemplateName", fTemplateName);
+    prc->writeParam("UserData", fUserData);
+    prc->endTag(true);
+}
+
+void plCloneSpawnModifier::IPrcParse(const pfPrcTag* tag, plResManager* mgr)
+{
+    if (tag->getName() == "SpawnParams") {
+        fTemplateName = tag->getParam("TemplateName", "");
+        fUserData = tag->getParam("UserData", "0").to_uint();
+    } else {
+        plSingleModifier::IPrcParse(tag, mgr);
+    }
+}
+
diff --git a/core/PRP/Modifier/plCloneSpawnModifier.h b/core/PRP/Modifier/plCloneSpawnModifier.h
new file mode 100644
index 00000000..72c33274
--- /dev/null
+++ b/core/PRP/Modifier/plCloneSpawnModifier.h
@@ -0,0 +1,41 @@
+/* This file is part of HSPlasma.
+ *
+ * HSPlasma is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * HSPlasma is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with HSPlasma.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef _PLCLONESPAWNMODIFIER_H
+#define _PLCLONESPAWNMODIFIER_H
+
+#include "plModifier.h"
+
+class HSPLASMA_EXPORT plCloneSpawnModifier : public plSingleModifier
+{
+    CREATABLE(plCloneSpawnModifier, kCloneSpawnModifier, plSingleModifier)
+
+protected:
+    ST::string fTemplateName;
+    uint32_t fUserData;
+
+public:
+    plCloneSpawnModifier() : fUserData() { }
+
+    void read(hsStream* S, plResManager* mgr) HS_OVERRIDE;
+    void write(hsStream* S, plResManager* mgr) HS_OVERRIDE;
+
+protected:
+    void IPrcWrite(pfPrcHelper* prc) HS_OVERRIDE;
+    void IPrcParse(const pfPrcTag* tag, plResManager* mgr) HS_OVERRIDE;
+};
+
+#endif
diff --git a/core/ResManager/plFactory.cpp b/core/ResManager/plFactory.cpp
index b20fe20c..f6be2519 100644
--- a/core/ResManager/plFactory.cpp
+++ b/core/ResManager/plFactory.cpp
@@ -116,6 +116,7 @@
 #include "PRP/Modifier/plAliasModifier.h"
 #include "PRP/Modifier/plAnimEventModifier.h"
 #include "PRP/Modifier/plAxisAnimModifier.h"
+#include "PRP/Modifier/plCloneSpawnModifier.h"
 #include "PRP/Modifier/plExcludeRegionModifier.h"
 #include "PRP/Modifier/plFollowMod.h"
 #include "PRP/Modifier/plGameMarkerModifier.h"
@@ -381,7 +382,7 @@ plCreatable* plFactory::Create(short typeIdx)
         case kGUIKnobCtrl: return new pfGUIKnobCtrl();
         case kAvLadderMod: return new plAvLadderMod();
         case kCameraBrain1_FirstPerson: return new plCameraBrain1_FirstPerson();
-        //case kCloneSpawnModifier: return new plCloneSpawnModifier();
+        case kCloneSpawnModifier: return new plCloneSpawnModifier();
         case kClothingItem: return new plClothingItem();
         case kClothingOutfit: return new plClothingOutfit();
         case kClothingBase: return new plClothingBase();