diff --git a/ISLE/isle.cpp b/ISLE/isle.cpp
index 3517cb78..5e9e1ec4 100644
--- a/ISLE/isle.cpp
+++ b/ISLE/isle.cpp
@@ -84,6 +84,7 @@ Isle::~Isle()
 void Isle::Close()
 {
   MxDSAction ds;
+  ds.SetUnknown24(0xFFFE);
 
   if (Lego()) {
     GameState()->Save(0);
@@ -93,8 +94,7 @@ void Isle::Close()
 
     VideoManager()->Get3DManager()->GetLego3DView()->GetViewManager()->RemoveAll(NULL);
 
-    long local_88 = 0;
-    Lego()->RemoveWorld(ds.m_atomId, local_88);
+    Lego()->RemoveWorld(ds.GetAtomId(), ds.GetUnknown1c());
     Lego()->vtable24(ds);
     TransitionManager()->SetWaitIndicator(NULL);
     Lego()->vtable3c();
@@ -608,18 +608,18 @@ void Isle::Tick(BOOL sleepIfNotNextFrame)
           return;
         }
 
-        ds.setAtomId(stream->atom);
-        ds.m_unk24 = 0xFFFF;
-        ds.m_unk1c = 0;
+        ds.SetAtomId(stream->atom);
+        ds.SetUnknown24(0xFFFF);
+        ds.SetUnknown1c(0);
         VideoManager()->EnableFullScreenMovie(TRUE, TRUE);
 
         if (Start(&ds) != SUCCESS) {
           return;
         }
       } else {
-        ds.setAtomId(stream->atom);
-        ds.m_unk24 = 0xFFFF;
-        ds.m_unk1c = 0;
+        ds.SetAtomId(stream->atom);
+        ds.SetUnknown24(0xFFFF);
+        ds.SetUnknown1c(0);
         if (Start(&ds) != SUCCESS) {
           return;
         }
diff --git a/ISLE/mx.cpp b/ISLE/mx.cpp
new file mode 100644
index 00000000..c0417e5a
--- /dev/null
+++ b/ISLE/mx.cpp
@@ -0,0 +1,7 @@
+#include "mxdsobject.h"
+
+// OFFSET: ISLE 0x00401c40
+void MxDSObject::SetAtomId(MxAtomId p_atomId)
+{
+  this->m_atomId = p_atomId;
+}
\ No newline at end of file
diff --git a/LEGO1/lego3dmanager.h b/LEGO1/lego3dmanager.h
old mode 100755
new mode 100644
diff --git a/LEGO1/lego3dview.h b/LEGO1/lego3dview.h
old mode 100755
new mode 100644
diff --git a/LEGO1/mxatomid.cpp b/LEGO1/mxatomid.cpp
new file mode 100644
index 00000000..f2171360
--- /dev/null
+++ b/LEGO1/mxatomid.cpp
@@ -0,0 +1,14 @@
+#include "mxatomid.h"
+
+// OFFSET: LEGO1 0x100acfd0
+MxAtomId::~MxAtomId()
+{
+  // TODO
+}
+
+// OFFSET: LEGO1 0x100ad1c0
+MxAtomId &MxAtomId::operator=(const MxAtomId &id)
+{
+  // TODO
+  return *this;
+}
\ No newline at end of file
diff --git a/LEGO1/mxatomid.h b/LEGO1/mxatomid.h
index 537b097e..b28704c0 100644
--- a/LEGO1/mxatomid.h
+++ b/LEGO1/mxatomid.h
@@ -12,8 +12,13 @@ class MxAtomId
   __declspec(dllexport) MxAtomId &operator=(const MxAtomId &id);
   __declspec(dllexport) ~MxAtomId();
 
-  char *m_internal;
+  MxAtomId()
+  {
+    this->m_internal = 0;
+  };
 
+private:
+  char *m_internal;
 };
 
 #endif // MXATOMID_H
diff --git a/LEGO1/mxdsaction.h b/LEGO1/mxdsaction.h
index aa5a7e4b..558cd035 100644
--- a/LEGO1/mxdsaction.h
+++ b/LEGO1/mxdsaction.h
@@ -1,25 +1,14 @@
 #ifndef MXDSACTION_H
 #define MXDSACTION_H
 
-#include "mxatomid.h"
+#include "mxdsobject.h"
 
-class MxDSAction
+class MxDSAction : public MxDSObject
 {
 public:
   __declspec(dllexport) MxDSAction();
   __declspec(dllexport) virtual ~MxDSAction();
 
-  int m_unk04;
-  int m_unk08;
-  int m_unk0c;
-  int m_unk10;
-  int m_unk14;
-  int m_unk18;
-  int m_unk1c;
-  MxAtomId m_atomId;
-  unsigned short m_unk24;
-  unsigned short m_unk26;
-  int m_unk28;
   int m_unk2c;
   int m_unk30;
   int m_unk34;
@@ -46,12 +35,6 @@ class MxDSAction
   int m_unk88;
   int m_unk8c;
   int m_unk90;
-
-  void setAtomId(MxAtomId &atomId)
-  {
-    this->m_atomId = atomId;
-  }
-
 };
 
 #endif // MXDSACTION_H
diff --git a/LEGO1/mxdsobject.cpp b/LEGO1/mxdsobject.cpp
new file mode 100644
index 00000000..5e7d7103
--- /dev/null
+++ b/LEGO1/mxdsobject.cpp
@@ -0,0 +1,45 @@
+#include "mxdsobject.h"
+
+#include <string.h>
+#include <stdlib.h>
+
+// OFFSET: LEGO1 0x100bf6a0
+MxDSObject::MxDSObject()
+{
+  // The following code yields 100% matching assembly if m_unk24 is declared as (signed) short.
+  // However, in other areas m_unk24 (notably, ISLE.EXE) is treated as unsigned short.
+  // Since we don't have a proper solution yet, we are using a union to work around this discrepancy.
+  this->m_unk0c = 0;
+  this->m_unk10 = 0;
+  this->m_unk14 = 0;
+  this->m_name = NULL;
+  this->m_unk24signed = -1;
+  this->m_unk1c = -1;
+  this->m_unk28 = 0;
+}
+
+// OFFSET: LEGO1 0x100bf8e0
+void MxDSObject::SetObjectName(const char *p_name)
+{
+  if (p_name != this->m_name)
+  {
+    free(this->m_name);
+
+    if (p_name) {
+      this->m_name = (char *)malloc(strlen(p_name) + 1);
+
+      if (this->m_name) {
+        strcpy(this->m_name, p_name);
+      }
+    }
+    else {
+      this->m_name = NULL;
+    }
+  }
+}
+
+// OFFSET: LEGO1 0x10005530
+void MxDSObject::SetAtomId(MxAtomId p_atomId)
+{
+  this->m_atomId = p_atomId;
+}
diff --git a/LEGO1/mxdsobject.h b/LEGO1/mxdsobject.h
index 05ee1fd0..99c62dd2 100644
--- a/LEGO1/mxdsobject.h
+++ b/LEGO1/mxdsobject.h
@@ -1,10 +1,41 @@
 #ifndef MXDSOBJECT_H
 #define MXDSOBJECT_H
 
-class MxDSObject
+#include "mxcore.h"
+#include "mxatomid.h"
+
+class MxDSObject : public MxCore
 {
 public:
   __declspec(dllexport) void SetObjectName(const char *);
+
+  MxDSObject();
+
+  inline const MxAtomId& GetAtomId() { return this->m_atomId; }
+  inline int GetUnknown1c() { return this->m_unk1c; }
+
+  inline void SetUnknown1c(int p_unk1c) { this->m_unk1c = p_unk1c; }
+  inline void SetUnknown24(unsigned short p_unk24) { this->m_unk24 = p_unk24; }
+
+  void SetAtomId(MxAtomId p_atomId);
+
+private:
+  int m_unk08;
+  short m_unk0c;
+  char* m_unk10;
+  int m_unk14;
+  char *m_name;
+  int m_unk1c;
+  MxAtomId m_atomId;
+  // So far, implementing MxDSObject::MxDSObject correctly required that m_unk24 is declared a (signed) short. 
+  // Most of the other game's code appears to treat it as unsigned short, however.
+  // This union is a workaround until we have figured this out.
+  union {
+    unsigned short m_unk24;
+    short m_unk24signed;
+  };
+  unsigned short m_unk26;
+  int m_unk28;
 };
 
 #endif // MXDSOBJECT_H
diff --git a/isle.mak b/isle.mak
index fea5a64e..f0f905ff 100644
--- a/isle.mak
+++ b/isle.mak
@@ -57,9 +57,11 @@ CLEAN :
 	-@erase "$(INTDIR)\dllmain.obj"
 	-@erase "$(INTDIR)\legonavcontroller.obj"
 	-@erase "$(INTDIR)\legoomni.obj"
+	-@erase "$(INTDIR)\mxatomid.obj"
 	-@erase "$(INTDIR)\mxautolocker.obj"
 	-@erase "$(INTDIR)\mxcore.obj"
 	-@erase "$(INTDIR)\mxcriticalsection.obj"
+	-@erase "$(INTDIR)\mxdsobject.obj"
 	-@erase "$(INTDIR)\mxomni.obj"
 	-@erase "$(INTDIR)\mxomnicreateflags.obj"
 	-@erase "$(INTDIR)\mxomnicreateparam.obj"
@@ -129,9 +131,11 @@ LINK32_OBJS= \
 	"$(INTDIR)\dllmain.obj" \
 	"$(INTDIR)\legonavcontroller.obj" \
 	"$(INTDIR)\legoomni.obj" \
+	"$(INTDIR)\mxatomid.obj" \
 	"$(INTDIR)\mxautolocker.obj" \
 	"$(INTDIR)\mxcore.obj" \
 	"$(INTDIR)\mxcriticalsection.obj" \
+	"$(INTDIR)\mxdsobject.obj" \
 	"$(INTDIR)\mxomni.obj" \
 	"$(INTDIR)\mxomnicreateflags.obj" \
 	"$(INTDIR)\mxomnicreateparam.obj" \
@@ -167,9 +171,11 @@ CLEAN :
 	-@erase "$(INTDIR)\dllmain.obj"
 	-@erase "$(INTDIR)\legonavcontroller.obj"
 	-@erase "$(INTDIR)\legoomni.obj"
+	-@erase "$(INTDIR)\mxatomid.obj"
 	-@erase "$(INTDIR)\mxautolocker.obj"
 	-@erase "$(INTDIR)\mxcore.obj"
 	-@erase "$(INTDIR)\mxcriticalsection.obj"
+	-@erase "$(INTDIR)\mxdsobject.obj"
 	-@erase "$(INTDIR)\mxomni.obj"
 	-@erase "$(INTDIR)\mxomnicreateflags.obj"
 	-@erase "$(INTDIR)\mxomnicreateparam.obj"
@@ -241,9 +247,11 @@ LINK32_OBJS= \
 	"$(INTDIR)\dllmain.obj" \
 	"$(INTDIR)\legonavcontroller.obj" \
 	"$(INTDIR)\legoomni.obj" \
+	"$(INTDIR)\mxatomid.obj" \
 	"$(INTDIR)\mxautolocker.obj" \
 	"$(INTDIR)\mxcore.obj" \
 	"$(INTDIR)\mxcriticalsection.obj" \
+	"$(INTDIR)\mxdsobject.obj" \
 	"$(INTDIR)\mxomni.obj" \
 	"$(INTDIR)\mxomnicreateflags.obj" \
 	"$(INTDIR)\mxomnicreateparam.obj" \
@@ -280,6 +288,7 @@ CLEAN :
 	-@erase "$(INTDIR)\isle.obj"
 	-@erase "$(INTDIR)\isle.res"
 	-@erase "$(INTDIR)\main.obj"
+	-@erase "$(INTDIR)\mx.obj"
 	-@erase "$(INTDIR)\vc40.pdb"
 	-@erase ".\Release\ISLE.EXE"
 	-@erase ".\Release\ISLE.PDB"
@@ -341,6 +350,7 @@ LINK32_OBJS= \
 	"$(INTDIR)\isle.obj" \
 	"$(INTDIR)\isle.res" \
 	"$(INTDIR)\main.obj" \
+	"$(INTDIR)\mx.obj" \
 	".\Release\LEGO1.LIB"
 
 ".\Release\ISLE.EXE" : "$(OUTDIR)" $(DEF_FILE) $(LINK32_OBJS)
@@ -370,6 +380,7 @@ CLEAN :
 	-@erase "$(INTDIR)\isle.obj"
 	-@erase "$(INTDIR)\isle.res"
 	-@erase "$(INTDIR)\main.obj"
+	-@erase "$(INTDIR)\mx.obj"
 	-@erase "$(INTDIR)\vc40.idb"
 	-@erase "$(INTDIR)\vc40.pdb"
 	-@erase ".\Debug\ISLE.EXE"
@@ -433,6 +444,7 @@ LINK32_OBJS= \
 	"$(INTDIR)\isle.obj" \
 	"$(INTDIR)\isle.res" \
 	"$(INTDIR)\main.obj" \
+	"$(INTDIR)\mx.obj" \
 	".\LEGO1\Debug\LEGO1.lib"
 
 ".\Debug\ISLE.EXE" : "$(OUTDIR)" $(DEF_FILE) $(LINK32_OBJS)
@@ -620,7 +632,7 @@ DEP_CPP_MXOMN=\
 
 SOURCE=.\LEGO1\mxvideoparam.cpp
 DEP_CPP_MXVID=\
-	".\LEGO1\mxbool.h"\
+	".\LEGO1\legoinc.h"\
 	".\LEGO1\mxpalette.h"\
 	".\LEGO1\mxrect32.h"\
 	".\LEGO1\mxvariabletable.h"\
@@ -638,6 +650,7 @@ DEP_CPP_MXVID=\
 
 SOURCE=.\LEGO1\mxvideoparamflags.cpp
 DEP_CPP_MXVIDE=\
+	".\LEGO1\legoinc.h"\
 	".\LEGO1\mxvideoparamflags.h"\
 	
 
@@ -651,6 +664,7 @@ DEP_CPP_MXVIDE=\
 
 SOURCE=.\LEGO1\mxomnicreateparam.cpp
 DEP_CPP_MXOMNI=\
+	".\LEGO1\legoinc.h"\
 	".\LEGO1\mxbool.h"\
 	".\LEGO1\mxcore.h"\
 	".\LEGO1\mxomnicreateflags.h"\
@@ -674,6 +688,7 @@ DEP_CPP_MXOMNI=\
 
 SOURCE=.\LEGO1\mxomnicreateparambase.cpp
 DEP_CPP_MXOMNIC=\
+	".\LEGO1\legoinc.h"\
 	".\LEGO1\mxbool.h"\
 	".\LEGO1\mxcore.h"\
 	".\LEGO1\mxomnicreateflags.h"\
@@ -775,6 +790,35 @@ DEP_CPP_LEGON=\
    $(CPP) $(CPP_PROJ) $(SOURCE)
 
 
+# End Source File
+################################################################################
+# Begin Source File
+
+SOURCE=.\LEGO1\mxdsobject.cpp
+DEP_CPP_MXDSO=\
+	".\LEGO1\mxatomid.h"\
+	".\LEGO1\mxbool.h"\
+	".\LEGO1\mxcore.h"\
+	".\LEGO1\mxdsobject.h"\
+	
+
+"$(INTDIR)\mxdsobject.obj" : $(SOURCE) $(DEP_CPP_MXDSO) "$(INTDIR)"
+   $(CPP) $(CPP_PROJ) $(SOURCE)
+
+
+# End Source File
+################################################################################
+# Begin Source File
+
+SOURCE=.\LEGO1\mxatomid.cpp
+DEP_CPP_MXATO=\
+	".\LEGO1\mxatomid.h"\
+	
+
+"$(INTDIR)\mxatomid.obj" : $(SOURCE) $(DEP_CPP_MXATO) "$(INTDIR)"
+   $(CPP) $(CPP_PROJ) $(SOURCE)
+
+
 # End Source File
 # End Target
 ################################################################################
@@ -806,6 +850,9 @@ DEP_CPP_DEFIN=\
 # Begin Source File
 
 SOURCE=.\ISLE\isle.cpp
+
+!IF  "$(CFG)" == "ISLE - Win32 Release"
+
 DEP_CPP_ISLE_=\
 	".\ISLE\define.h"\
 	".\ISLE\isle.h"\
@@ -816,6 +863,7 @@ DEP_CPP_ISLE_=\
 	".\LEGO1\legobuildingmanager.h"\
 	".\LEGO1\legoentity.h"\
 	".\LEGO1\legogamestate.h"\
+	".\LEGO1\legoinc.h"\
 	".\LEGO1\legoinputmanager.h"\
 	".\LEGO1\legomodelpresenter.h"\
 	".\LEGO1\legonavcontroller.h"\
@@ -862,11 +910,72 @@ DEP_CPP_ISLE_=\
    $(CPP) $(CPP_PROJ) $(SOURCE)
 
 
+!ELSEIF  "$(CFG)" == "ISLE - Win32 Debug"
+
+DEP_CPP_ISLE_=\
+	".\ISLE\define.h"\
+	".\ISLE\isle.h"\
+	".\ISLE\res\resource.h"\
+	".\LEGO1\lego3dmanager.h"\
+	".\LEGO1\lego3dview.h"\
+	".\LEGO1\legoanimationmanager.h"\
+	".\LEGO1\legobuildingmanager.h"\
+	".\LEGO1\legoentity.h"\
+	".\LEGO1\legogamestate.h"\
+	".\LEGO1\legoinc.h"\
+	".\LEGO1\legoinputmanager.h"\
+	".\LEGO1\legomodelpresenter.h"\
+	".\LEGO1\legonavcontroller.h"\
+	".\LEGO1\legoomni.h"\
+	".\LEGO1\legopartpresenter.h"\
+	".\LEGO1\legoroi.h"\
+	".\LEGO1\legovideomanager.h"\
+	".\LEGO1\legoworldpresenter.h"\
+	".\LEGO1\mxatomid.h"\
+	".\LEGO1\mxbackgroundaudiomanager.h"\
+	".\LEGO1\mxbool.h"\
+	".\LEGO1\mxcore.h"\
+	".\LEGO1\mxcriticalsection.h"\
+	".\LEGO1\mxdirectdraw.h"\
+	".\LEGO1\mxdsaction.h"\
+	".\LEGO1\mxdsfile.h"\
+	".\LEGO1\mxdsobject.h"\
+	".\LEGO1\mxeventmanager.h"\
+	".\LEGO1\mxmusicmanager.h"\
+	".\LEGO1\mxnotificationmanager.h"\
+	".\LEGO1\mxobjectfactory.h"\
+	".\LEGO1\mxomni.h"\
+	".\LEGO1\mxomnicreateflags.h"\
+	".\LEGO1\mxomnicreateparam.h"\
+	".\LEGO1\mxomnicreateparambase.h"\
+	".\LEGO1\mxresult.h"\
+	".\LEGO1\mxsoundmanager.h"\
+	".\LEGO1\mxstreamcontroller.h"\
+	".\LEGO1\mxstreamer.h"\
+	".\LEGO1\mxstring.h"\
+	".\LEGO1\mxticklemanager.h"\
+	".\LEGO1\mxtimer.h"\
+	".\LEGO1\mxtransitionmanager.h"\
+	".\LEGO1\mxvariabletable.h"\
+	".\LEGO1\mxvideomanager.h"\
+	".\LEGO1\mxvideoparam.h"\
+	".\LEGO1\viewmanager.h"\
+	
+
+"$(INTDIR)\isle.obj" : $(SOURCE) $(DEP_CPP_ISLE_) "$(INTDIR)"
+   $(CPP) $(CPP_PROJ) $(SOURCE)
+
+
+!ENDIF 
+
 # End Source File
 ################################################################################
 # Begin Source File
 
 SOURCE=.\ISLE\main.cpp
+
+!IF  "$(CFG)" == "ISLE - Win32 Release"
+
 DEP_CPP_MAIN_=\
 	".\ISLE\define.h"\
 	".\ISLE\isle.h"\
@@ -917,6 +1026,57 @@ DEP_CPP_MAIN_=\
    $(CPP) $(CPP_PROJ) $(SOURCE)
 
 
+!ELSEIF  "$(CFG)" == "ISLE - Win32 Debug"
+
+DEP_CPP_MAIN_=\
+	".\ISLE\define.h"\
+	".\ISLE\isle.h"\
+	".\LEGO1\lego3dmanager.h"\
+	".\LEGO1\lego3dview.h"\
+	".\LEGO1\legoentity.h"\
+	".\LEGO1\legogamestate.h"\
+	".\LEGO1\legoinc.h"\
+	".\LEGO1\legoinputmanager.h"\
+	".\LEGO1\legonavcontroller.h"\
+	".\LEGO1\legoomni.h"\
+	".\LEGO1\legoroi.h"\
+	".\LEGO1\legovideomanager.h"\
+	".\LEGO1\mxatomid.h"\
+	".\LEGO1\mxbackgroundaudiomanager.h"\
+	".\LEGO1\mxbool.h"\
+	".\LEGO1\mxcore.h"\
+	".\LEGO1\mxcriticalsection.h"\
+	".\LEGO1\mxdsaction.h"\
+	".\LEGO1\mxdsfile.h"\
+	".\LEGO1\mxdsobject.h"\
+	".\LEGO1\mxeventmanager.h"\
+	".\LEGO1\mxmusicmanager.h"\
+	".\LEGO1\mxnotificationmanager.h"\
+	".\LEGO1\mxobjectfactory.h"\
+	".\LEGO1\mxomni.h"\
+	".\LEGO1\mxomnicreateflags.h"\
+	".\LEGO1\mxomnicreateparam.h"\
+	".\LEGO1\mxomnicreateparambase.h"\
+	".\LEGO1\mxresult.h"\
+	".\LEGO1\mxsoundmanager.h"\
+	".\LEGO1\mxstreamcontroller.h"\
+	".\LEGO1\mxstreamer.h"\
+	".\LEGO1\mxstring.h"\
+	".\LEGO1\mxticklemanager.h"\
+	".\LEGO1\mxtimer.h"\
+	".\LEGO1\mxtransitionmanager.h"\
+	".\LEGO1\mxvariabletable.h"\
+	".\LEGO1\mxvideomanager.h"\
+	".\LEGO1\mxvideoparam.h"\
+	".\LEGO1\viewmanager.h"\
+	
+
+"$(INTDIR)\main.obj" : $(SOURCE) $(DEP_CPP_MAIN_) "$(INTDIR)"
+   $(CPP) $(CPP_PROJ) $(SOURCE)
+
+
+!ENDIF 
+
 # End Source File
 ################################################################################
 # Begin Source File
@@ -1357,6 +1517,22 @@ SOURCE=.\LEGO1\mxvideoparamflags.h
 !ENDIF 
 
 # End Project Dependency
+################################################################################
+# Begin Source File
+
+SOURCE=.\ISLE\mx.cpp
+DEP_CPP_MX_CP=\
+	".\LEGO1\mxatomid.h"\
+	".\LEGO1\mxbool.h"\
+	".\LEGO1\mxcore.h"\
+	".\LEGO1\mxdsobject.h"\
+	
+
+"$(INTDIR)\mx.obj" : $(SOURCE) $(DEP_CPP_MX_CP) "$(INTDIR)"
+   $(CPP) $(CPP_PROJ) $(SOURCE)
+
+
+# End Source File
 # End Target
 # End Project
 ################################################################################
diff --git a/isle.mdp b/isle.mdp
index f31e19c5..e164ac1e 100644
Binary files a/isle.mdp and b/isle.mdp differ