diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0e2135c9..a3573874 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -163,6 +163,7 @@ add_library(lego1 SHARED
   LEGO1/mxstreamcontroller.cpp
   LEGO1/mxstreamer.cpp
   LEGO1/mxstring.cpp
+  LEGO1/mxstringlist.cpp
   LEGO1/mxthread.cpp
   LEGO1/mxticklemanager.cpp
   LEGO1/mxtimer.cpp
diff --git a/LEGO1/mxdsaction.h b/LEGO1/mxdsaction.h
index 9881f3e2..57d1f200 100644
--- a/LEGO1/mxdsaction.h
+++ b/LEGO1/mxdsaction.h
@@ -41,8 +41,8 @@ class MxDSAction : public MxDSObject
     return !strcmp(name, MxDSAction::ClassName()) || MxDSObject::IsA(name);
   }
 
-  virtual MxU32 GetSizeOnDisk(); // vtable+18;
-  virtual void Deserialize(char **p_source, MxS16 p_unk24); // vtable+1c;
+  virtual MxU32 GetSizeOnDisk() override; // vtable+18;
+  virtual void Deserialize(char **p_source, MxS16 p_unk24) override; // vtable+1c;
   virtual MxLong GetDuration(); // vtable+24;
   virtual void SetDuration(MxLong p_duration); // vtable+28;
   virtual MxDSAction *Clone(); // vtable+2c;
diff --git a/LEGO1/mxdsanim.h b/LEGO1/mxdsanim.h
index 92890e8e..1bc77558 100644
--- a/LEGO1/mxdsanim.h
+++ b/LEGO1/mxdsanim.h
@@ -27,7 +27,7 @@ class MxDSAnim : public MxDSMediaAction
     return !strcmp(name, MxDSAnim::ClassName()) || MxDSMediaAction::IsA(name);
   }
 
-  virtual MxDSAction *Clone(); // vtable+2c;
+  virtual MxDSAction *Clone() override; // vtable+2c;
 };
 
 #endif // MXDSANIM_H
diff --git a/LEGO1/mxdschunk.h b/LEGO1/mxdschunk.h
index f9b1d9d0..367dcb4d 100644
--- a/LEGO1/mxdschunk.h
+++ b/LEGO1/mxdschunk.h
@@ -1,7 +1,6 @@
 #ifndef MXDSCHUNK_H
 #define MXDSCHUNK_H
 
-
 #include "mxcore.h"
 #include "mxtypes.h"
 
diff --git a/LEGO1/mxdsevent.h b/LEGO1/mxdsevent.h
index b8fedace..576c8b14 100644
--- a/LEGO1/mxdsevent.h
+++ b/LEGO1/mxdsevent.h
@@ -25,7 +25,7 @@ class MxDSEvent : public MxDSMediaAction
     return !strcmp(name, MxDSEvent::ClassName()) || MxDSMediaAction::IsA(name);
   }
 
-  virtual MxDSAction *Clone(); // vtable+2c;
+  virtual MxDSAction *Clone() override; // vtable+2c;
 };
 
 #endif // MXDSEVENT_H
diff --git a/LEGO1/mxdsmediaaction.h b/LEGO1/mxdsmediaaction.h
index cc710425..34b6695e 100644
--- a/LEGO1/mxdsmediaaction.h
+++ b/LEGO1/mxdsmediaaction.h
@@ -28,8 +28,8 @@ class MxDSMediaAction : public MxDSAction
     return !strcmp(name, MxDSMediaAction::ClassName()) || MxDSAction::IsA(name);
   }
 
-  virtual MxU32 GetSizeOnDisk(); // vtable+18;
-  virtual void Deserialize(char **p_source, MxS16 p_unk24); // vtable+1c;
+  virtual MxU32 GetSizeOnDisk() override; // vtable+18;
+  virtual void Deserialize(char **p_source, MxS16 p_unk24) override; // vtable+1c;
 
   void CopyMediaSrcPath(const char *p_mediaSrcPath);
 
diff --git a/LEGO1/mxdsmultiaction.h b/LEGO1/mxdsmultiaction.h
index 4063343c..1689cc2d 100644
--- a/LEGO1/mxdsmultiaction.h
+++ b/LEGO1/mxdsmultiaction.h
@@ -28,14 +28,14 @@ class MxDSMultiAction : public MxDSAction
     return !strcmp(name, MxDSMultiAction::ClassName()) || MxDSAction::IsA(name);
   }
 
-  virtual undefined4 unk14(); // vtable+14;
-  virtual MxU32 GetSizeOnDisk(); // vtable+18;
-  virtual void Deserialize(char **p_source, MxS16 p_unk24); // vtable+1c;
-  virtual void SetAtomId(MxAtomId p_atomId); // vtable+20;
-  virtual MxDSAction *Clone(); // vtable+2c;
-  virtual void MergeFrom(MxDSAction &p_dsAction); // vtable+30;
-  virtual MxBool HasId(MxU32 p_objectId); // vtable+34;
-  virtual void SetSomeTimingField(MxLong p_someTimingField); // vtable+38;
+  virtual undefined4 unk14() override; // vtable+14;
+  virtual MxU32 GetSizeOnDisk() override; // vtable+18;
+  virtual void Deserialize(char **p_source, MxS16 p_unk24) override; // vtable+1c;
+  virtual void SetAtomId(MxAtomId p_atomId) override; // vtable+20;
+  virtual MxDSAction *Clone() override; // vtable+2c;
+  virtual void MergeFrom(MxDSAction &p_dsAction) override; // vtable+30;
+  virtual MxBool HasId(MxU32 p_objectId) override; // vtable+34;
+  virtual void SetSomeTimingField(MxLong p_someTimingField) override; // vtable+38;
 
 private:
   MxU32 m_sizeOnDisk;
diff --git a/LEGO1/mxdsobjectaction.h b/LEGO1/mxdsobjectaction.h
index 4a1b68bb..07f35758 100644
--- a/LEGO1/mxdsobjectaction.h
+++ b/LEGO1/mxdsobjectaction.h
@@ -26,7 +26,7 @@ class MxDSObjectAction : public MxDSMediaAction
     return !strcmp(name, MxDSObjectAction::ClassName()) || MxDSMediaAction::IsA(name);
   }
 
-  virtual MxDSAction *Clone(); // vtable+2c;
+  virtual MxDSAction *Clone() override; // vtable+2c;
   virtual void CopyFrom(MxDSObjectAction &p_dsObjectAction); // vtable+44;
 };
 
diff --git a/LEGO1/mxdsparallelaction.h b/LEGO1/mxdsparallelaction.h
index 962ba34b..e28bfe58 100644
--- a/LEGO1/mxdsparallelaction.h
+++ b/LEGO1/mxdsparallelaction.h
@@ -27,8 +27,8 @@ class MxDSParallelAction : public MxDSMultiAction
     return !strcmp(name, MxDSParallelAction::ClassName()) || MxDSMultiAction::IsA(name);
   }
 
-  virtual MxLong GetDuration(); // vtable+24;
-  virtual MxDSAction *Clone(); // vtable+2c;
+  virtual MxLong GetDuration() override; // vtable+24;
+  virtual MxDSAction *Clone() override; // vtable+2c;
 };
 
 #endif // MXDSPARALLELACTION_H
diff --git a/LEGO1/mxdsselectaction.cpp b/LEGO1/mxdsselectaction.cpp
index 29f69022..58af9543 100644
--- a/LEGO1/mxdsselectaction.cpp
+++ b/LEGO1/mxdsselectaction.cpp
@@ -15,3 +15,37 @@ MxDSSelectAction::~MxDSSelectAction()
   if (this->m_unk0xac)
     delete this->m_unk0xac;
 }
+
+// OFFSET: LEGO1 0x100cb950
+void MxDSSelectAction::CopyFrom(MxDSSelectAction &p_dsSelectAction)
+{
+  this->m_unk0x9c = p_dsSelectAction.m_unk0x9c;
+
+  this->m_unk0xac->DeleteAll();
+
+  MxStringListCursor cursor(p_dsSelectAction.m_unk0xac);
+  MxString string;
+  while (cursor.Next(string))
+    this->m_unk0xac->OtherAppend(string);
+}
+
+// OFFSET: LEGO1 0x100cbd50
+MxDSSelectAction &MxDSSelectAction::operator=(MxDSSelectAction &p_dsSelectAction)
+{
+  if (this != &p_dsSelectAction) {
+    MxDSParallelAction::operator=(p_dsSelectAction);
+    this->CopyFrom(p_dsSelectAction);
+  }
+  return *this;
+}
+
+// OFFSET: LEGO1 0x100cbd80
+MxDSAction *MxDSSelectAction::Clone()
+{
+  MxDSSelectAction *clone = new MxDSSelectAction();
+
+  if (clone)
+    *clone = *this;
+
+  return clone;
+}
\ No newline at end of file
diff --git a/LEGO1/mxdsselectaction.h b/LEGO1/mxdsselectaction.h
index d513efd0..746afc87 100644
--- a/LEGO1/mxdsselectaction.h
+++ b/LEGO1/mxdsselectaction.h
@@ -13,6 +13,9 @@ class MxDSSelectAction : public MxDSParallelAction
   MxDSSelectAction();
   virtual ~MxDSSelectAction() override;
 
+  void CopyFrom(MxDSSelectAction &p_dsSelectAction);
+  MxDSSelectAction &operator=(MxDSSelectAction &p_dsSelectAction);
+
   // OFFSET: LEGO1 0x100cb6f0
   inline virtual const char *ClassName() const override // vtable+0x0c
   {
@@ -26,6 +29,11 @@ class MxDSSelectAction : public MxDSParallelAction
     return !strcmp(name, MxDSSelectAction::ClassName()) || MxDSParallelAction::IsA(name);
   }
 
+  //virtual MxU32 GetSizeOnDisk() override; // vtable+18;
+  //virtual void Deserialize(char **p_source, MxS16 p_unk24) override; // vtable+1c;
+  //virtual MxLong GetDuration() override; // vtable+24;
+  virtual MxDSAction *Clone() override; // vtable+2c;
+
 private:
   MxString m_unk0x9c;
   MxStringList *m_unk0xac;
diff --git a/LEGO1/mxdsserialaction.h b/LEGO1/mxdsserialaction.h
index e2f6cd72..4e383681 100644
--- a/LEGO1/mxdsserialaction.h
+++ b/LEGO1/mxdsserialaction.h
@@ -28,9 +28,9 @@ class MxDSSerialAction : public MxDSMultiAction
     return !strcmp(name, MxDSSerialAction::ClassName()) || MxDSMultiAction::IsA(name);
   }
 
-  virtual MxLong GetDuration(); // vtable+24;
-  virtual void SetDuration(MxLong p_duration); // vtable+28;
-  virtual MxDSAction *Clone(); // vtable+2c;
+  virtual MxLong GetDuration() override; // vtable+24;
+  virtual void SetDuration(MxLong p_duration) override; // vtable+28;
+  virtual MxDSAction *Clone() override; // vtable+2c;
 
 private:
   MxDSActionListCursor *m_cursor;
diff --git a/LEGO1/mxdssound.h b/LEGO1/mxdssound.h
index de345e51..514ef1ec 100644
--- a/LEGO1/mxdssound.h
+++ b/LEGO1/mxdssound.h
@@ -27,9 +27,9 @@ class MxDSSound : public MxDSMediaAction
     return !strcmp(name, MxDSSound::ClassName()) || MxDSMediaAction::IsA(name);
   }
 
-  virtual MxU32 GetSizeOnDisk(); // vtable+18;
-  virtual void Deserialize(char **p_source, MxS16 p_unk24); // vtable+1c;
-  virtual MxDSAction *Clone(); // vtable+2c;
+  virtual MxU32 GetSizeOnDisk() override; // vtable+18;
+  virtual void Deserialize(char **p_source, MxS16 p_unk24) override; // vtable+1c;
+  virtual MxDSAction *Clone() override; // vtable+2c;
 
 private:
   MxU32 m_sizeOnDisk;
diff --git a/LEGO1/mxdsstill.h b/LEGO1/mxdsstill.h
index 084fe931..3b29c287 100644
--- a/LEGO1/mxdsstill.h
+++ b/LEGO1/mxdsstill.h
@@ -27,7 +27,7 @@ class MxDSStill : public MxDSMediaAction
     return !strcmp(name, MxDSStill::ClassName()) || MxDSMediaAction::IsA(name);
   }
 
-  virtual MxDSAction *Clone(); // vtable+2c;
+  virtual MxDSAction *Clone() override; // vtable+2c;
 };
 
 #endif // MXDSSTILL_H
diff --git a/LEGO1/mxdsstreamingaction.h b/LEGO1/mxdsstreamingaction.h
index d50dbed8..f95621eb 100644
--- a/LEGO1/mxdsstreamingaction.h
+++ b/LEGO1/mxdsstreamingaction.h
@@ -24,7 +24,7 @@ class MxDSStreamingAction : public MxDSAction
     return *this; 
   }
 
-  virtual MxBool HasId(MxU32 p_objectId); // vtable+34;
+  virtual MxBool HasId(MxU32 p_objectId) override; // vtable+34;
 
   MxResult Init();
   void SetInternalAction(MxDSAction *p_dsAction);
diff --git a/LEGO1/mxlist.h b/LEGO1/mxlist.h
index 12695f82..94798b33 100644
--- a/LEGO1/mxlist.h
+++ b/LEGO1/mxlist.h
@@ -4,7 +4,6 @@
 #include "mxtypes.h"
 #include "mxcore.h"
 
-// SIZE 0xc
 template <class T>
 class MxListEntry
 {
@@ -15,6 +14,11 @@ class MxListEntry
     m_prev = p_prev;
     m_next = NULL;
   }
+  MxListEntry(T p_obj, MxListEntry *p_prev, MxListEntry *p_next) {
+    m_obj = p_obj;
+    m_prev = p_prev;
+    m_next = p_next;
+  }
 
   T GetValue() { return this->m_obj; }
 
@@ -26,7 +30,6 @@ class MxListEntry
   MxListEntry *m_next;
 };
 
-// VTABLE 0x100d6350
 // SIZE 0x10
 template <class T>
 class MxListParent : public MxCore
@@ -46,7 +49,6 @@ class MxListParent : public MxCore
   void (*m_customDestructor)(T); // +0xc
 };
 
-// VTABLE 0x100d6368
 // SIZE 0x18
 template <class T>
 class MxList : protected MxListParent<T>
@@ -60,6 +62,7 @@ class MxList : protected MxListParent<T>
   virtual ~MxList();
 
   void Append(T);
+  void OtherAppend(T p_obj) { _InsertEntry(p_obj, this->m_last, NULL); };
   void DeleteAll();
   MxU32 GetCount() { return m_count; }
   void SetDestroy(void (*p_customDestructor)(T)) { this->m_customDestructor = p_customDestructor; }
@@ -71,9 +74,9 @@ class MxList : protected MxListParent<T>
 
 private:
   void _DeleteEntry(MxListEntry<T> *match);
+  void _InsertEntry(T, MxListEntry<T> *, MxListEntry<T> *);
 };
 
-// VTABLE 0x100d6488
 template <class T>
 class MxListCursor : public MxCore
 {
@@ -96,7 +99,6 @@ class MxListCursor : public MxCore
 };
 
 // Unclear purpose
-// VTABLE 0x100d6530
 template <class T>
 class MxListCursorChild : public MxListCursor<T> 
 {
@@ -105,7 +107,6 @@ class MxListCursorChild : public MxListCursor<T>
 };
 
 // Unclear purpose
-// VTABLE 0x100d6470
 template <class T>
 class MxListCursorChildChild : public MxListCursorChild<T>
 {
@@ -152,6 +153,24 @@ inline void MxList<T>::Append(T p_newobj)
   this->m_count++;
 }
 
+template <class T>
+inline void MxList<T>::_InsertEntry(T p_newobj, MxListEntry<T> *p_prev, MxListEntry<T> *p_next)
+{
+  MxListEntry<T> *newEntry = new MxListEntry<T>(p_newobj, p_prev, p_next);
+
+  if (p_prev)
+    p_prev->m_next = newEntry;
+  else
+    this->m_first = newEntry;
+
+  if (p_next)
+    p_next->m_prev = newEntry;
+  else
+    this->m_last = newEntry;
+
+  this->m_count++;
+}
+
 template <class T>
 inline void MxList<T>::_DeleteEntry(MxListEntry<T> *match)
 {
@@ -198,7 +217,7 @@ inline MxBool MxListCursor<T>::Next(T& p_obj)
     m_match = m_match->m_next;
 
   if (m_match)
-    p_obj = m_match->m_obj;
+    p_obj = m_match->GetValue();
 
   return m_match != NULL;
 }
diff --git a/LEGO1/mxstring.cpp b/LEGO1/mxstring.cpp
index e82d431a..fe221f94 100644
--- a/LEGO1/mxstring.cpp
+++ b/LEGO1/mxstring.cpp
@@ -56,14 +56,14 @@ void MxString::ToLowerCase()
 }
 
 // OFFSET: LEGO1 0x100ae4b0
-MxString &MxString::operator=(MxString *param)
+MxString &MxString::operator=(MxString &param)
 {
-  if (this->m_data != param->m_data)
+  if (this->m_data != param.m_data)
   {
     delete[] this->m_data;
-    this->m_length = param->m_length;
+    this->m_length = param.m_length;
     this->m_data = new char[this->m_length + 1];
-    strcpy(this->m_data, param->m_data);
+    strcpy(this->m_data, param.m_data);
   }
 
   return *this;
diff --git a/LEGO1/mxstring.h b/LEGO1/mxstring.h
index a24a0df1..ec20f879 100644
--- a/LEGO1/mxstring.h
+++ b/LEGO1/mxstring.h
@@ -15,7 +15,7 @@ class MxString : public MxCore
   MxString(const char *);
   void ToUpperCase();
   void ToLowerCase();
-  MxString&  operator=(MxString *);
+  MxString&  operator=(MxString &);
   MxString   operator+(const char *);
   MxString& operator+=(const char *);
 
diff --git a/LEGO1/mxstringlist.cpp b/LEGO1/mxstringlist.cpp
new file mode 100644
index 00000000..8a0a2ddc
--- /dev/null
+++ b/LEGO1/mxstringlist.cpp
@@ -0,0 +1,5 @@
+#include "mxstringlist.h"
+
+#include "decomp.h"
+
+DECOMP_SIZE_ASSERT(MxListEntry<MxString>, 0x18)
diff --git a/LEGO1/mxstringlist.h b/LEGO1/mxstringlist.h
index dbf063f6..f92d2b7d 100644
--- a/LEGO1/mxstringlist.h
+++ b/LEGO1/mxstringlist.h
@@ -8,6 +8,9 @@
 // SIZE 0x18
 class MxStringList : public MxList<MxString> {};
 
+// VTABLE 0x100dd058
+typedef MxListCursorChild<MxString> MxStringListCursor;
+
 // OFFSET: LEGO1 0x100cb3c0 TEMPLATE
 // MxListParent<MxString>::Compare
 
@@ -17,6 +20,15 @@ class MxStringList : public MxList<MxString> {};
 // OFFSET: LEGO1 0x100cb4c0 TEMPLATE
 // MxList<MxString>::~MxList<MxString>
 
+// OFFSET: LEGO1 0x100cbb40 TEMPLATE
+// MxList<MxString>::OtherAppend
+
+// OFFSET: LEGO1 0x100cc2d0 TEMPLATE
+// MxList<MxString>::_InsertEntry
+
+// OFFSET: LEGO1 0x100cc3c0 TEMPLATE
+// MxListEntry<MxString>::MxListEntry<MxString>
+
 // OFFSET: LEGO1 0x100cc450 TEMPLATE
 // MxListEntry<MxString>::GetValue