diff --git a/Source/Core/DolphinWX/ISOProperties.cpp b/Source/Core/DolphinWX/ISOProperties.cpp
index cccd86e539..037f2afe3b 100644
--- a/Source/Core/DolphinWX/ISOProperties.cpp
+++ b/Source/Core/DolphinWX/ISOProperties.cpp
@@ -415,6 +415,16 @@ void CISOProperties::CreateGUIControls(bool IsWad)
 	BlockMerging = new wxCheckBox(m_GameConfig, ID_MERGEBLOCKS, _("Enable Block Merging"), wxDefaultPosition, wxDefaultSize, GetElementStyle("Core", "BlockMerging"));
 	DSPHLE = new wxCheckBox(m_GameConfig, ID_AUDIO_DSP_HLE, _("DSP HLE emulation (fast)"), wxDefaultPosition, wxDefaultSize, GetElementStyle("Core", "DSPHLE"));
 
+	wxBoxSizer* const sGPUDeterminism = new wxBoxSizer(wxHORIZONTAL);
+	wxStaticText* const GPUDeterminismText = new wxStaticText(m_GameConfig, wxID_ANY, _("Deterministic dual core: "));
+	arrayStringFor_GPUDeterminism.Add(_("Not Set"));
+	arrayStringFor_GPUDeterminism.Add(_("auto"));
+	arrayStringFor_GPUDeterminism.Add(_("none"));
+	arrayStringFor_GPUDeterminism.Add(_("fake-completion"));
+	GPUDeterminism = new wxChoice(m_GameConfig, ID_EMUSTATE, wxDefaultPosition, wxDefaultSize, arrayStringFor_GPUDeterminism);
+	sGPUDeterminism->Add(GPUDeterminismText);
+	sGPUDeterminism->Add(GPUDeterminism);
+
 	// Wii Console
 	EnableWideScreen = new wxCheckBox(m_GameConfig, ID_ENABLEWIDESCREEN, _("Enable WideScreen"), wxDefaultPosition, wxDefaultSize, GetElementStyle("Wii", "Widescreen"));
 
@@ -443,6 +453,7 @@ void CISOProperties::CreateGUIControls(bool IsWad)
 	sbCoreOverrides->Add(FastDiscSpeed, 0, wxLEFT, 5);
 	sbCoreOverrides->Add(BlockMerging, 0, wxLEFT, 5);
 	sbCoreOverrides->Add(DSPHLE, 0, wxLEFT, 5);
+	sbCoreOverrides->Add(sGPUDeterminism, 0, wxEXPAND|wxALL, 5);
 
 	wxStaticBoxSizer * const sbWiiOverrides = new wxStaticBoxSizer(wxVERTICAL, m_GameConfig, _("Wii Console"));
 	if (!DiscIO::IsVolumeWiiDisc(OpenISO) && !DiscIO::IsVolumeWadFile(OpenISO))
@@ -1062,6 +1073,19 @@ void CISOProperties::LoadGameConfig()
 
 	EmuIssues->Enable(EmuState->GetSelection() != 0);
 
+	sTemp = "";
+	if (!GameIniLocal.GetIfExists("Core", "GPUDeterminismMode", &sTemp))
+		GameIniDefault.GetIfExists("Core", "GPUDeterminismMode", &sTemp);
+
+	if (sTemp == "")
+		GPUDeterminism->SetSelection(0);
+	else if (sTemp == "auto")
+		GPUDeterminism->SetSelection(1);
+	else if (sTemp == "none")
+		GPUDeterminism->SetSelection(2);
+	else if (sTemp == "fake-completion")
+		GPUDeterminism->SetSelection(3);
+
 	PatchList_Load();
 	ActionReplayList_Load();
 	m_geckocode_panel->LoadCodes(GameIniDefault, GameIniLocal, OpenISO->GetUniqueID());
@@ -1127,6 +1151,18 @@ bool CISOProperties::SaveGameConfig()
 	std::string emu_issues = EmuIssues->GetValue().ToStdString();
 	SAVE_IF_NOT_DEFAULT("EmuState", "EmulationIssues", emu_issues, "");
 
+	std::string tmp;
+	if (GPUDeterminism->GetSelection() == 0)
+		tmp = "Not Set";
+	else if (GPUDeterminism->GetSelection() == 1)
+		tmp = "auto";
+	else if (GPUDeterminism->GetSelection() == 2)
+		tmp = "none";
+	else if (GPUDeterminism->GetSelection() == 3)
+		tmp = "fake-completion";
+
+	SAVE_IF_NOT_DEFAULT("Core", "GPUDeterminismMode", tmp, "Not Set");
+
 	PatchList_Save();
 	ActionReplayList_Save();
 	Gecko::SaveCodes(GameIniLocal, m_geckocode_panel->GetCodes());
diff --git a/Source/Core/DolphinWX/ISOProperties.h b/Source/Core/DolphinWX/ISOProperties.h
index acc7692a68..b77bb55115 100644
--- a/Source/Core/DolphinWX/ISOProperties.h
+++ b/Source/Core/DolphinWX/ISOProperties.h
@@ -69,46 +69,49 @@ private:
 	// Core
 	wxCheckBox *CPUThread, *SkipIdle, *MMU, *BAT, *DCBZOFF, *FPRF;
 	wxCheckBox *VBeam, *SyncGPU, *FastDiscSpeed, *BlockMerging, *DSPHLE;
+
+	wxArrayString arrayStringFor_GPUDeterminism;
+	wxChoice* GPUDeterminism;
 	// Wii
-	wxCheckBox *EnableWideScreen;
+	wxCheckBox* EnableWideScreen;
 
 	wxArrayString arrayStringFor_EmuState;
-	wxChoice *EmuState;
-	wxTextCtrl *EmuIssues;
+	wxChoice* EmuState;
+	wxTextCtrl* EmuIssues;
 	wxArrayString arrayStringFor_Patches;
-	wxCheckListBox *Patches;
-	wxButton *EditPatch;
-	wxButton *RemovePatch;
+	wxCheckListBox* Patches;
+	wxButton* EditPatch;
+	wxButton* RemovePatch;
 	wxArrayString arrayStringFor_Cheats;
-	wxCheckListBox *Cheats;
-	wxButton *EditCheat;
-	wxButton *RemoveCheat;
+	wxCheckListBox* Cheats;
+	wxButton* EditCheat;
+	wxButton* RemoveCheat;
 	wxArrayString arrayStringFor_Speedhacks;
-	wxCheckListBox *Speedhacks;
-	wxButton *EditSpeedhack;
-	wxButton *AddSpeedhack;
-	wxButton *RemoveSpeedhack;
+	wxCheckListBox* Speedhacks;
+	wxButton* EditSpeedhack;
+	wxButton* AddSpeedhack;
+	wxButton* RemoveSpeedhack;
 
-	wxTextCtrl *m_Name;
-	wxTextCtrl *m_GameID;
-	wxTextCtrl *m_Country;
-	wxTextCtrl *m_MakerID;
-	wxTextCtrl *m_Revision;
-	wxTextCtrl *m_Date;
-	wxTextCtrl *m_FST;
-	wxTextCtrl *m_MD5Sum;
-	wxButton   *m_MD5SumCompute;
+	wxTextCtrl* m_Name;
+	wxTextCtrl* m_GameID;
+	wxTextCtrl* m_Country;
+	wxTextCtrl* m_MakerID;
+	wxTextCtrl* m_Revision;
+	wxTextCtrl* m_Date;
+	wxTextCtrl* m_FST;
+	wxTextCtrl* m_MD5Sum;
+	wxButton*   m_MD5SumCompute;
 	wxArrayString arrayStringFor_Lang;
-	wxChoice *m_Lang;
-	wxTextCtrl *m_ShortName;
-	wxTextCtrl *m_Maker;
-	wxTextCtrl *m_Comment;
-	wxStaticBitmap *m_Banner;
+	wxChoice*   m_Lang;
+	wxTextCtrl* m_ShortName;
+	wxTextCtrl* m_Maker;
+	wxTextCtrl* m_Comment;
+	wxStaticBitmap* m_Banner;
 
-	wxTreeCtrl *m_Treectrl;
+	wxTreeCtrl* m_Treectrl;
 	wxTreeItemId RootId;
 
-	Gecko::CodeConfigPanel *m_geckocode_panel;
+	Gecko::CodeConfigPanel* m_geckocode_panel;
 
 	enum
 	{
@@ -193,10 +196,10 @@ private:
 	void SetRefresh(wxCommandEvent& event);
 	void OnChangeBannerLang(wxCommandEvent& event);
 
-	GameListItem *OpenGameListItem;
+	GameListItem* OpenGameListItem;
 
-	std::vector<const DiscIO::SFileInfo *> GCFiles;
-	typedef std::vector<const DiscIO::SFileInfo *>::iterator fileIter;
+	std::vector<const DiscIO::SFileInfo*> GCFiles;
+	typedef std::vector<const DiscIO::SFileInfo*>::iterator fileIter;
 
 	size_t CreateDirectoryTree(wxTreeItemId& parent,
 			std::vector<const DiscIO::SFileInfo*> fileInfos,