diff --git a/LEGO1/realtime/realtimeview.cpp b/LEGO1/realtime/realtimeview.cpp
index afe0e790..0145935c 100644
--- a/LEGO1/realtime/realtimeview.cpp
+++ b/LEGO1/realtime/realtimeview.cpp
@@ -15,6 +15,7 @@ float g_userMaxLod = 3.6f;
 float g_partsThreshold = 1000.0f;
 
 // FUNCTION: LEGO1 0x100a5dc0
+// FUNCTION: BETA10 0x10168840
 RealtimeView::RealtimeView()
 {
 	UpdateMaxLOD();
@@ -51,6 +52,7 @@ float RealtimeView::GetPartsThreshold()
 }
 
 // FUNCTION: LEGO1 0x100a5e20
+// STUB: BETA10 0x101688d5
 void RealtimeView::UpdateMaxLOD()
 {
 	g_userMaxLodPower = pow(g_userMaxBase, -g_userMaxLod);
diff --git a/LEGO1/viewmanager/viewmanager.cpp b/LEGO1/viewmanager/viewmanager.cpp
index e6a2d726..a35e6da4 100644
--- a/LEGO1/viewmanager/viewmanager.cpp
+++ b/LEGO1/viewmanager/viewmanager.cpp
@@ -32,16 +32,51 @@ float g_elapsedSeconds = 0;
 
 inline void SetAppData(ViewROI* p_roi, LPD3DRM_APPDATA data);
 inline undefined4 GetD3DRM(IDirect3DRM2*& d3drm, Tgl::Renderer* pRenderer);
-inline undefined4 GetFrame(IDirect3DRMFrame2*& frame, Tgl::Group* scene);
+inline undefined4 GetFrame(IDirect3DRMFrame2** frame, Tgl::Group* scene);
+
+// STUB: BETA10 0x1017202e
+int userVisualCallback(
+	LPDIRECT3DRMUSERVISUAL obj,
+	LPVOID arg,
+	D3DRMUSERVISUALREASON reason,
+	LPDIRECT3DRMDEVICE dev,
+	LPDIRECT3DRMVIEWPORT view
+)
+{
+	// This function calls (among others) into LegoBSP.cpp, which might no longer exist in BETA10
+	return 0;
+}
+
+// FUNCTION: BETA10 0x10172074
+void addDestroyCallback(LPDIRECT3DRMOBJECT obj, LPVOID arg)
+{
+	// intentionally empty
+}
 
 // FUNCTION: LEGO1 0x100a5eb0
+// FUNCTION: BETA10 0x10171cb3
 ViewManager::ViewManager(Tgl::Renderer* pRenderer, Tgl::Group* scene, const OrientableROI* point_of_view)
 	: scene(scene), flags(c_bit1 | c_bit2 | c_bit3 | c_bit4)
 {
 	SetPOVSource(point_of_view);
 	prev_render_time = 0.09;
 	GetD3DRM(d3drm, pRenderer);
-	GetFrame(frame, scene);
+	GetFrame(&frame, scene);
+
+#ifdef BETA10
+	LPDIRECT3DRMUSERVISUAL userVisual;
+	if (d3drm->CreateUserVisual(userVisualCallback, this, &userVisual)) {
+		assert(0);
+	}
+	if (userVisual->AddDestroyCallback(addDestroyCallback, this)) {
+		assert(0);
+	}
+	if (frame->AddVisual(userVisual)) {
+		assert(0);
+	}
+	userVisual->Release();
+#endif
+
 	width = 0.0;
 	height = 0.0;
 	view_angle = 0.0;
@@ -476,6 +511,7 @@ void ViewManager::SetFrustrum(float fov, float front, float back)
 }
 
 // FUNCTION: LEGO1 0x100a6da0
+// FUNCTION: BETA10 0x10173977
 void ViewManager::SetPOVSource(const OrientableROI* point_of_view)
 {
 	if (point_of_view != NULL) {
@@ -554,19 +590,28 @@ inline void SetAppData(ViewROI* p_roi, LPD3DRM_APPDATA data)
 {
 	IDirect3DRMFrame2* frame = NULL;
 
-	if (GetFrame(frame, p_roi->GetGeometry()) == 0) {
+	if (GetFrame(&frame, p_roi->GetGeometry()) == 0) {
 		frame->SetAppData(data);
 	}
 }
 
-inline undefined4 GetD3DRM(IDirect3DRM2*& d3drm, Tgl::Renderer* pRenderer)
+// FUNCTION: BETA10 0x10171f30
+inline undefined4 GetD3DRM(IDirect3DRM2*& d3drm, Tgl::Renderer* p_tglRenderer)
 {
-	d3drm = ((TglImpl::RendererImpl*) pRenderer)->ImplementationData();
+	assert(p_tglRenderer);
+	TglImpl::RendererImpl* renderer = (TglImpl::RendererImpl*) p_tglRenderer;
+	// TODO: Not thunked in BETA10
+	d3drm = renderer->ImplementationData();
 	return 0;
 }
 
-inline undefined4 GetFrame(IDirect3DRMFrame2*& frame, Tgl::Group* scene)
+// FUNCTION: BETA10 0x10171f82
+inline undefined4 GetFrame(IDirect3DRMFrame2** p_f, Tgl::Group* p_group)
 {
-	frame = ((TglImpl::GroupImpl*) scene)->ImplementationData();
+	assert(p_f && p_group);
+	TglImpl::GroupImpl* cast = (TglImpl::GroupImpl*) p_group;
+	assert(cast);
+	*p_f = cast->ImplementationData();
+	assert(p_f);
 	return 0;
 }
diff --git a/LEGO1/viewmanager/viewmanager.h b/LEGO1/viewmanager/viewmanager.h
index 1f12cb28..6b03619a 100644
--- a/LEGO1/viewmanager/viewmanager.h
+++ b/LEGO1/viewmanager/viewmanager.h
@@ -8,6 +8,7 @@
 #include <d3drm.h>
 
 // VTABLE: LEGO1 0x100dbd88
+// VTABLE: BETA10 0x101c34bc
 // SIZE 0x1bc
 class ViewManager {
 public:
@@ -73,10 +74,17 @@ class ViewManager {
 // TEMPLATE: LEGO1 0x10022030
 // list<ROI *,allocator<ROI *> >::insert
 
+// TEMPLATE: BETA10 0x1007b0b0
+// List<ROI *>::List<ROI *>
+
 // TEMPLATE: LEGO1 0x100a6020
 // List<ROI *>::~List<ROI *>
 
+// TEMPLATE: BETA10 0x101755d0
+// Vector<ROI const *>::Vector<ROI const *>
+
 // TEMPLATE: LEGO1 0x100a6070
+// TEMPLATE: BETA10 0x10174510
 // Vector<ROI const *>::~Vector<ROI const *>
 
 // TEMPLATE: LEGO1 0x100a6f80