diff --git a/CMakeLists.txt b/CMakeLists.txt
index d70c0626..eea44d8d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -161,6 +161,7 @@ add_library(lego1 SHARED
   LEGO1/mxramstreamcontroller.cpp
   LEGO1/mxramstreamprovider.cpp
   LEGO1/mxregion.cpp
+  LEGO1/mxrendermanager.cpp
   LEGO1/mxscheduler.cpp
   LEGO1/mxsemaphore.cpp
   LEGO1/mxsmack.cpp
diff --git a/LEGO1/legoomni.cpp b/LEGO1/legoomni.cpp
index 53bb07ef..b21f45de 100644
--- a/LEGO1/legoomni.cpp
+++ b/LEGO1/legoomni.cpp
@@ -19,6 +19,7 @@
 #include "mxdsfile.h"
 #include "mxomnicreateflags.h"
 #include "mxomnicreateparam.h"
+#include "mxrendermanager.h"
 #include "mxticklemanager.h"
 #include "mxtransitionmanager.h"
 
@@ -385,7 +386,7 @@ void LegoOmni::Init()
 	MxOmni::Init();
 	m_unk0x68 = 0;
 	m_inputMgr = NULL;
-	m_unk0x6c = 0;
+	m_renderMgr = 0;
 	m_gifManager = NULL;
 	m_worldList = NULL;
 	m_currentWorld = NULL;
@@ -443,9 +444,9 @@ void LegoOmni::Destroy()
 		m_gifManager = NULL;
 	}
 
-	if (m_unk0x6c) {
-		// delete m_unk0x6c; // TODO
-		m_unk0x6c = NULL;
+	if (m_renderMgr) {
+		delete m_renderMgr;
+		m_renderMgr = NULL;
 	}
 
 	if (m_inputMgr) {
@@ -503,6 +504,7 @@ MxResult LegoOmni::Create(MxOmniCreateParam& p_param)
 
 	if (m_soundManager = new LegoSoundManager()) {
 		if (m_soundManager->Create(10, 0) != SUCCESS) {
+			OutputDebugStringA("lego sound fail\n");
 			delete m_soundManager;
 			m_soundManager = NULL;
 			return FAILURE;
@@ -511,6 +513,7 @@ MxResult LegoOmni::Create(MxOmniCreateParam& p_param)
 
 	if (m_videoManager = new LegoVideoManager()) {
 		if (m_videoManager->Create(p_param.GetVideoParam(), 100, 0) != SUCCESS) {
+			OutputDebugStringA("lego vid failure\n");
 			delete m_videoManager;
 			m_videoManager = NULL;
 		}
@@ -523,15 +526,16 @@ MxResult LegoOmni::Create(MxOmniCreateParam& p_param)
 		}
 	}
 
-	// TODO: there are a few more classes here
+	m_renderMgr = new MxRenderManager();
 	m_gifManager = new GifManager();
+	// TODO: there is another class here
 	m_plantManager = new LegoPlantManager();
 	m_animationManager = new LegoAnimationManager();
 	m_buildingManager = new LegoBuildingManager();
 	m_gameState = new LegoGameState();
 	m_worldList = new LegoWorldList(TRUE);
 
-	if (m_unk0x6c && m_gifManager && m_worldList && m_plantManager && m_animationManager && m_buildingManager) {
+	if (m_renderMgr && m_gifManager && m_worldList && m_plantManager && m_animationManager && m_buildingManager) {
 		// TODO: initialize a bunch of MxVariables
 		RegisterScripts();
 		FUN_1001a700();
diff --git a/LEGO1/legoomni.h b/LEGO1/legoomni.h
index 4edaeb35..168e0df8 100644
--- a/LEGO1/legoomni.h
+++ b/LEGO1/legoomni.h
@@ -27,6 +27,7 @@ class MxAtomId;
 class MxBackgroundAudioManager;
 class MxDSFile;
 class MxTransitionManager;
+class MxRenderManager;
 
 extern MxAtomId* g_copterScript;
 extern MxAtomId* g_dunecarScript;
@@ -116,7 +117,7 @@ class LegoOmni : public MxOmni {
 
 private:
 	undefined4* m_unk0x68;                       // 0x68
-	undefined4 m_unk0x6c;                        // 0x6c
+	MxRenderManager* m_renderMgr;                // 0x6c
 	LegoInputManager* m_inputMgr;                // 0x70
 	GifManager* m_gifManager;                    // 0x74
 	LegoWorldList* m_worldList;                  // 0x78
diff --git a/LEGO1/mxrendermanager.cpp b/LEGO1/mxrendermanager.cpp
new file mode 100644
index 00000000..adc39673
--- /dev/null
+++ b/LEGO1/mxrendermanager.cpp
@@ -0,0 +1,11 @@
+#include "mxrendermanager.h"
+
+#include "decomp.h"
+
+DECOMP_SIZE_ASSERT(MxRenderManager, 0x14)
+
+// STUB: LEGO1 0x100a6fd0
+MxRenderManager::MxRenderManager()
+{
+	// TODO
+}
diff --git a/LEGO1/mxrendermanager.h b/LEGO1/mxrendermanager.h
new file mode 100644
index 00000000..66fd601a
--- /dev/null
+++ b/LEGO1/mxrendermanager.h
@@ -0,0 +1,15 @@
+#ifndef MXRENDERMANAGER_H
+#define MXRENDERMANAGER_H
+
+#include "mxtypes.h"
+
+// VTABLE: LEGO1 0x100dbdbc
+// SIZE 0x14
+class MxRenderManager {
+public:
+	MxRenderManager();
+private:
+	char m_unk0x4[0x14]; // TODO: change to 0x10 once scalar deconstructor is added
+};
+
+#endif // MXRENDERMANAGER_H