diff --git a/Source/Plugins/Plugin_VideoOGL/Src/Config.cpp b/Source/Plugins/Plugin_VideoOGL/Src/Config.cpp
index 6bdb3220dc..6e9ef472a8 100644
--- a/Source/Plugins/Plugin_VideoOGL/Src/Config.cpp
+++ b/Source/Plugins/Plugin_VideoOGL/Src/Config.cpp
@@ -72,6 +72,8 @@ void Config::Load()
     iniFile.Get("Enhancements", "ForceMaxAniso", &bForceMaxAniso, 0);
 	iniFile.Get("Enhancements", "StretchToFit", &bStretchToFit, false);
 	iniFile.Get("Enhancements", "KeepAR", &bKeepAR, false);
+
+	iniFile.Get("Hacks", "InvertDepth", &bInvertDepth, 0);
 }
 
 void Config::Save()
@@ -100,5 +102,7 @@ void Config::Save()
 	iniFile.Set("Enhancements", "StretchToFit", bStretchToFit);
 	iniFile.Set("Enhancements", "KeepAR", bKeepAR);
 
+	iniFile.Set("Hacks", "InvertDepth", bInvertDepth);
+
     iniFile.Save("gfx_opengl.ini");
 }
diff --git a/Source/Plugins/Plugin_VideoOGL/Src/Config.h b/Source/Plugins/Plugin_VideoOGL/Src/Config.h
index 5221d0583b..b20b47a4f9 100644
--- a/Source/Plugins/Plugin_VideoOGL/Src/Config.h
+++ b/Source/Plugins/Plugin_VideoOGL/Src/Config.h
@@ -50,6 +50,9 @@ struct Config
     bool bDumpTextures;
 	char texDumpPath[280];
 
+	// Hacks
+	bool bInvertDepth;
+
 	int iLog; // CONF_ bits
 	int iSaveTargetId;
 
diff --git a/Source/Plugins/Plugin_VideoOGL/Src/GUI/ConfigDlg.cpp b/Source/Plugins/Plugin_VideoOGL/Src/GUI/ConfigDlg.cpp
index 4badb030d8..0e970b4ffd 100644
--- a/Source/Plugins/Plugin_VideoOGL/Src/GUI/ConfigDlg.cpp
+++ b/Source/Plugins/Plugin_VideoOGL/Src/GUI/ConfigDlg.cpp
@@ -44,6 +44,7 @@ BEGIN_EVENT_TABLE(ConfigDialog,wxDialog)
 	EVT_CHECKBOX(ID_TEXFMTCENTER,ConfigDialog::TexFmtOverlayChange)
 	EVT_CHECKBOX(ID_USEXFB,ConfigDialog::UseXFBChange)
 	EVT_CHECKBOX(ID_DUMPTEXTURES,ConfigDialog::DumpTexturesChange)
+	EVT_CHECKBOX(ID_INVERTDEPTH,ConfigDialog::InvertDepth)
 	EVT_DIRPICKER_CHANGED(ID_TEXTUREPATH,ConfigDialog::TexturePathChange)
 END_EVENT_TABLE()
 
@@ -70,6 +71,9 @@ void ConfigDialog::CreateGUIControls()
 
 	m_PageAdvanced = new wxPanel(m_Notebook, ID_PAGEADVANCED, wxDefaultPosition, wxDefaultSize);
 	m_Notebook->AddPage(m_PageAdvanced, wxT("Advanced"));
+
+	m_PageHacks = new wxPanel(m_Notebook, ID_PAGEHACKS, wxDefaultPosition, wxDefaultSize);
+	m_Notebook->AddPage(m_PageHacks, wxT("Hacks"));
 	
 	//buttons
 	m_About = new wxButton(this, ID_GRAPHIC_ABOUT, wxT("About"), wxDefaultPosition, wxDefaultSize, 0, wxDefaultValidator);
@@ -164,6 +168,11 @@ void ConfigDialog::CreateGUIControls()
 	//m_ShaderErrors->SetValue(g_Config.bShowShaderErrors);
 	m_ShaderErrors->Enable(false);
 
+	// Page 4 (hacks)
+	m_InvertDepth = new wxCheckBox(m_PageHacks, ID_INVERTDEPTH, wxT("Invert Depth"), wxDefaultPosition, wxDefaultSize, 0, wxDefaultValidator);
+	m_InvertDepth->Enable(true);
+	m_InvertDepth->SetValue(g_Config.bInvertDepth);
+
 	//Put options in sizers within the notebook
 	wxGridBagSizer* sPage1;
 	sPage1 = new wxGridBagSizer(0, 0);
@@ -206,6 +215,14 @@ void ConfigDialog::CreateGUIControls()
 	m_PageAdvanced->SetSizer(sPage3);
 	sPage3->Layout();
 
+	wxGridBagSizer* sPage4;
+	sPage4 = new wxGridBagSizer(0, 0);
+	sPage4->SetFlexibleDirection(wxBOTH);
+	sPage4->SetNonFlexibleGrowMode(wxFLEX_GROWMODE_SPECIFIED);
+	sPage4->Add(m_InvertDepth, wxGBPosition(0, 0), wxGBSpan(1, 2), wxALL, 5);
+	m_PageHacks->SetSizer(sPage4);
+	sPage4->Layout();
+
 	SetIcon(wxNullIcon);
 	Fit();
 }
@@ -348,3 +365,7 @@ void ConfigDialog::DllAbout(wxCommandEvent& event)
 	info.SetDescription(_T("Vertex/Pixel Shader 2.0 or higher, framebuffer objects, multiple render targets"));
 	wxAboutBox(info);
 }
+void ConfigDialog::InvertDepth(wxCommandEvent& event)
+{
+	g_Config.bInvertDepth = m_InvertDepth->IsChecked();
+}
diff --git a/Source/Plugins/Plugin_VideoOGL/Src/GUI/ConfigDlg.h b/Source/Plugins/Plugin_VideoOGL/Src/GUI/ConfigDlg.h
index cdef7f6827..27d95124f3 100644
--- a/Source/Plugins/Plugin_VideoOGL/Src/GUI/ConfigDlg.h
+++ b/Source/Plugins/Plugin_VideoOGL/Src/GUI/ConfigDlg.h
@@ -46,7 +46,8 @@ class ConfigDialog : public wxDialog
 		virtual ~ConfigDialog();
 		void OKClick(wxCommandEvent& event);
 
-		void FullScreenCheck(wxCommandEvent& event); // video
+		// Video
+		void FullScreenCheck(wxCommandEvent& event); 
 		void RenderMainCheck(wxCommandEvent& event);				
 		void AddFSReso(char *reso);
 		void FSCB(wxCommandEvent& event);
@@ -55,12 +56,14 @@ class ConfigDialog : public wxDialog
 		void AddAAMode(int mode);
 		void AACB(wxCommandEvent& event);
 
-		void ForceFilteringCheck(wxCommandEvent& event); // enhancements
+		// Enhancements
+		void ForceFilteringCheck(wxCommandEvent& event); 
 		void ForceAnisotropyCheck(wxCommandEvent& event);
 		void StretchToFitCheck(wxCommandEvent& event);
 		void KeepARCheck(wxCommandEvent& event);
 
-		void WireframeCheck(wxCommandEvent& event); // advanced
+		// Advanced
+		void WireframeCheck(wxCommandEvent& event); 
 		void ShowFPSCheck(wxCommandEvent& event);
 		void OverlayCheck(wxCommandEvent& event);
 		void ShowShaderErrorsCheck(wxCommandEvent& event);
@@ -70,6 +73,9 @@ class ConfigDialog : public wxDialog
 		void TexturePathChange(wxFileDirPickerEvent& event);
 		void DllAbout(wxCommandEvent& event);
 
+		// Hacks
+		void InvertDepth(wxCommandEvent& event);
+
 	private:
 
 		wxButton* m_About;
@@ -93,9 +99,11 @@ class ConfigDialog : public wxDialog
 		wxComboBox *m_FullscreenCB;
 		wxCheckBox *m_RenderToMainWindow;		
 		wxCheckBox *m_Fullscreen;
+		wxCheckBox *m_InvertDepth;
 		wxPanel *m_PageAdvanced;
 		wxPanel *m_PageEnhancements;
 		wxPanel *m_PageVideo;
+		wxPanel *m_PageHacks;
 		wxNotebook *m_Notebook;
 		
 	private:
@@ -130,6 +138,8 @@ class ConfigDialog : public wxDialog
 			ID_NOTEBOOK,
 			ID_PAGEVIDEO,
 			ID_PAGEENHANCEMENTS,
+			ID_INVERTDEPTH,
+			ID_PAGEHACKS,
 			ID_GRAPHIC_ABOUT,
 			////GUI Enum Control ID End
 			ID_DUMMY_VALUE_ //don't remove this value unless you have other enum values
diff --git a/Source/Plugins/Plugin_VideoOGL/Src/VertexShaderManager.cpp b/Source/Plugins/Plugin_VideoOGL/Src/VertexShaderManager.cpp
index 7bea2d5383..7d4b0e884e 100644
--- a/Source/Plugins/Plugin_VideoOGL/Src/VertexShaderManager.cpp
+++ b/Source/Plugins/Plugin_VideoOGL/Src/VertexShaderManager.cpp
@@ -425,7 +425,7 @@ void VertexShaderMngr::SetConstants()
 		}
 
 		// Metroid Prime 1 & 2 likes this
-		glDepthRange(-(0.0f - (rawViewport[5]-rawViewport[2])/16777215.0f), rawViewport[5]/16777215.0f);
+		glDepthRange((g_Config.bInvertDepth ? -1 : 1) * -(0.0f - (rawViewport[5]-rawViewport[2])/16777215.0f), rawViewport[5]/16777215.0f);
 
 		// FZero stage likes this (a sonic hack)
 		// glDepthRange(-(0.0f - (rawViewport[5]-rawViewport[2])/-16777215.0f), rawViewport[5]/16777215.0f);