diff --git a/apps/openmw/mwscript/docs/vmformat.txt b/apps/openmw/mwscript/docs/vmformat.txt
index 26c87eeee..b4bc713db 100644
--- a/apps/openmw/mwscript/docs/vmformat.txt
+++ b/apps/openmw/mwscript/docs/vmformat.txt
@@ -275,7 +275,13 @@ op 0x20001de: HasSoulGem
 op 0x20001df: HasSoulGem, explicit
 op 0x20001e0: GetWeaponType
 op 0x20001e1: GetWeaponType, explicit
-opcodes 0x20001e2-0x3ffffff unused
+op 0x20001e2: GetWerewolfKills
+op 0x20001e3: ModScale
+op 0x20001e4: ModScale, explicit
+op 0x20001e5: SetDelete
+op 0x20001e6: SetDelete, explicit
+op 0x20001e7: GetSquareRoot
+opcodes 0x20001e3-0x3ffffff unused
 
 
 
diff --git a/apps/openmw/mwscript/miscextensions.cpp b/apps/openmw/mwscript/miscextensions.cpp
index 1cd5ed35e..b59916cd4 100644
--- a/apps/openmw/mwscript/miscextensions.cpp
+++ b/apps/openmw/mwscript/miscextensions.cpp
@@ -357,6 +357,31 @@ namespace MWScript
             }
         };
 
+        template <class R>
+        class OpSetDelete : public Interpreter::Opcode0
+        {
+            public:
+
+                virtual void execute (Interpreter::Runtime& runtime)
+                {
+                    MWWorld::Ptr ptr = R()(runtime);
+                    MWBase::Environment::get().getWorld()->deleteObject (ptr);
+                }
+        };
+
+        class OpGetSquareRoot : public Interpreter::Opcode0
+        {
+            public:
+
+                virtual void execute (Interpreter::Runtime& runtime)
+                {
+                    float param = runtime[0].mFloat;
+                    runtime.pop();
+
+                    runtime.push(std::sqrt (param));
+                }
+        };
+
         const int opcodeXBox = 0x200000c;
         const int opcodeOnActivate = 0x200000d;
         const int opcodeActivate = 0x2000075;
@@ -387,6 +412,9 @@ namespace MWScript
         const int opcodeGetSpellEffects = 0x20001db;
         const int opcodeGetSpellEffectsExplicit = 0x20001dc;
         const int opcodeGetCurrentTime = 0x20001dd;
+        const int opcodeSetDelete = 0x20001e5;
+        const int opcodeSetDeleteExplicit = 0x20001e6;
+        const int opcodeGetSquareRoot = 0x20001e7;
 
         void registerExtensions (Compiler::Extensions& extensions)
         {
@@ -419,6 +447,8 @@ namespace MWScript
             extensions.registerFunction ("getweapondrawn", 'l', "", opcodeGetWeaponDrawn, opcodeGetWeaponDrawnExplicit);
             extensions.registerFunction ("getspelleffects", 'l', "c", opcodeGetSpellEffects, opcodeGetSpellEffectsExplicit);
             extensions.registerFunction ("getcurrenttime", 'f', "", opcodeGetCurrentTime);
+            extensions.registerInstruction ("setdelete", "", opcodeSetDelete, opcodeSetDeleteExplicit);
+            extensions.registerFunction ("getsquareroot", 'f', "f", opcodeGetSquareRoot);
         }
 
         void installOpcodes (Interpreter::Interpreter& interpreter)
@@ -453,6 +483,9 @@ namespace MWScript
             interpreter.installSegment5 (opcodeGetSpellEffects, new OpGetSpellEffects<ImplicitRef>);
             interpreter.installSegment5 (opcodeGetSpellEffectsExplicit, new OpGetSpellEffects<ExplicitRef>);
             interpreter.installSegment5 (opcodeGetCurrentTime, new OpGetCurrentTime);
+            interpreter.installSegment5 (opcodeSetDelete, new OpSetDelete<ImplicitRef>);
+            interpreter.installSegment5 (opcodeSetDeleteExplicit, new OpSetDelete<ExplicitRef>);
+            interpreter.installSegment5 (opcodeGetSquareRoot, new OpGetSquareRoot);
         }
     }
 }
diff --git a/apps/openmw/mwscript/statsextensions.cpp b/apps/openmw/mwscript/statsextensions.cpp
index bea41df1d..9fa315e2f 100644
--- a/apps/openmw/mwscript/statsextensions.cpp
+++ b/apps/openmw/mwscript/statsextensions.cpp
@@ -800,6 +800,18 @@ namespace MWScript
             }
         };
 
+        class OpGetWerewolfKills : public Interpreter::Opcode0
+        {
+            public:
+
+                virtual void execute (Interpreter::Runtime& runtime)
+                {
+                    MWWorld::Ptr ptr = MWBase::Environment::get().getWorld ()->getPlayer ().getPlayer ();
+
+                    runtime.push (MWWorld::Class::get(ptr).getNpcStats (ptr).getWerewolfKills ());
+                }
+        };
+
         const int numberOfAttributes = 8;
 
         const int opcodeGetAttribute = 0x2000027;
@@ -872,6 +884,8 @@ namespace MWScript
         const int opcodeGetRace = 0x20001d9;
         const int opcodeGetRaceExplicit = 0x20001da;
 
+        const int opcodeGetWerewolfKills = 0x20001e2;
+
         void registerExtensions (Compiler::Extensions& extensions)
         {
             static const char *attributes[numberOfAttributes] =
@@ -975,6 +989,7 @@ namespace MWScript
 
             extensions.registerFunction ("getrace", 'l', "c", opcodeGetRace,
                 opcodeGetRaceExplicit);
+            extensions.registerFunction ("getwerewolfkills", 'f', "", opcodeGetWerewolfKills);
         }
 
         void installOpcodes (Interpreter::Interpreter& interpreter)
@@ -1073,6 +1088,7 @@ namespace MWScript
 
             interpreter.installSegment5 (opcodeGetRace, new OpGetRace<ImplicitRef>);
             interpreter.installSegment5 (opcodeGetRaceExplicit, new OpGetRace<ExplicitRef>);
+            interpreter.installSegment5 (opcodeGetWerewolfKills, new OpGetWerewolfKills);
         }
     }
 }
diff --git a/apps/openmw/mwscript/transformationextensions.cpp b/apps/openmw/mwscript/transformationextensions.cpp
index a64651a97..2dd8f3e16 100644
--- a/apps/openmw/mwscript/transformationextensions.cpp
+++ b/apps/openmw/mwscript/transformationextensions.cpp
@@ -53,6 +53,23 @@ namespace MWScript
                 }
         };
 
+        template<class R>
+        class OpModScale : public Interpreter::Opcode0
+        {
+            public:
+
+                virtual void execute (Interpreter::Runtime& runtime)
+                {
+                    MWWorld::Ptr ptr = R()(runtime);
+
+                    Interpreter::Type_Float scale = runtime[0].mFloat;
+                    runtime.pop();
+
+                    // add the parameter to the object's scale.
+                    MWBase::Environment::get().getWorld()->scaleObject(ptr,ptr.getCellRef().mScale + scale);
+                }
+        };
+
         template<class R>
         class OpSetAngle : public Interpreter::Opcode0
         {
@@ -532,6 +549,8 @@ namespace MWScript
         const int opcodePlaceAtPc = 0x200019c;  
         const int opcodePlaceAtMe = 0x200019d;
         const int opcodePlaceAtMeExplicit = 0x200019e;
+        const int opcodeModScale = 0x20001e3;
+        const int opcodeModScaleExplicit = 0x20001e4;
 
         void registerExtensions (Compiler::Extensions& extensions)
         {
@@ -548,6 +567,7 @@ namespace MWScript
             extensions.registerInstruction("placeitem","cffff",opcodePlaceItem);
             extensions.registerInstruction("placeatpc","clfl",opcodePlaceAtPc);
             extensions.registerInstruction("placeatme","clfl",opcodePlaceAtMe,opcodePlaceAtMeExplicit);
+            extensions.registerInstruction("modscale","f",opcodeModScale,opcodeModScaleExplicit);
         }
 
         void installOpcodes (Interpreter::Interpreter& interpreter)
@@ -574,7 +594,9 @@ namespace MWScript
             interpreter.installSegment5(opcodePlaceItem,new OpPlaceItem<ImplicitRef>);            
             interpreter.installSegment5(opcodePlaceAtPc,new OpPlaceAtPc<ImplicitRef>);   
             interpreter.installSegment5(opcodePlaceAtMe,new OpPlaceAtMe<ImplicitRef>);   
-            interpreter.installSegment5(opcodePlaceAtMeExplicit,new OpPlaceAtMe<ExplicitRef>); 
+            interpreter.installSegment5(opcodePlaceAtMeExplicit,new OpPlaceAtMe<ExplicitRef>);
+            interpreter.installSegment5(opcodeModScale,new OpModScale<ImplicitRef>);
+            interpreter.installSegment5(opcodeModScaleExplicit,new OpModScale<ExplicitRef>);
         }
     }
 }