diff --git a/Core/Config.cpp b/Core/Config.cpp
index f56e92175f..38fe0bd669 100644
--- a/Core/Config.cpp
+++ b/Core/Config.cpp
@@ -745,12 +745,24 @@ static const ConfigSetting graphicsSettings[] = {
 	ConfigSetting("DisplayRefreshRate", &g_Config.iDisplayRefreshRate, g_Config.iDisplayRefreshRate, CfgFlag::PER_GAME),
 };
 
+static int LegacyVolumeToNewVolume(int legacy, int max) {
+	float multiplier = Volume10ToMultiplier(legacy);
+	return std::clamp(MultiplierToVolume100(multiplier), 0, max);
+}
+
+static int DefaultGameVolume() {
+	return LegacyVolumeToNewVolume(g_Config.iLegacyGameVolume, 100);
+}
+
 static const ConfigSetting soundSettings[] = {
 	ConfigSetting("Enable", &g_Config.bEnableSound, true, CfgFlag::PER_GAME),
 	ConfigSetting("AudioBackend", &g_Config.iAudioBackend, 0, CfgFlag::PER_GAME),
 	ConfigSetting("ExtraAudioBuffering", &g_Config.bExtraAudioBuffering, false, CfgFlag::DEFAULT),
 
-	ConfigSetting("GlobalVolume", &g_Config.iGameVolume, VOLUME_FULL, CfgFlag::PER_GAME),
+	// Legacy volume settings, these get auto upgraded through default handlers on the new settings. NOTE: Must be before the new ones in the order here.
+	ConfigSetting("GlobalVolume", &g_Config.iLegacyGameVolume, VOLUME_FULL, CfgFlag::PER_GAME | CfgFlag::DONT_SAVE),
+
+	ConfigSetting("GameVolume", &g_Config.iGameVolume, &DefaultGameVolume, CfgFlag::PER_GAME),
 	ConfigSetting("ReverbVolume", &g_Config.iReverbVolume, VOLUME_FULL, CfgFlag::PER_GAME),
 	ConfigSetting("AltSpeedRelativeVolume", &g_Config.iAltSpeedVolume, VOLUMEHI_FULL, CfgFlag::PER_GAME),
 	ConfigSetting("AchievementSoundVolume", &g_Config.iAchievementSoundVolume, 6, CfgFlag::PER_GAME),
@@ -1468,6 +1480,7 @@ bool Config::Save(const char *saveReason) {
 	return true;
 }
 
+// A lot more cleanup tasks should be moved into here, and some of these are severely outdated.
 void Config::PostLoadCleanup(bool gameSpecific) {
 	// Override ppsspp.ini JIT value to prevent crashing
 	jitForcedOff = DefaultCpuCore() != (int)CPUCore::JIT && (g_Config.iCpuCore == (int)CPUCore::JIT || g_Config.iCpuCore == (int)CPUCore::JIT_IR);
@@ -1502,6 +1515,9 @@ void Config::PostLoadCleanup(bool gameSpecific) {
 	if (g_Config.sCustomDriver == "Default") {
 		g_Config.sCustomDriver = "";
 	}
+
+	// Convert old volume settings.
+
 }
 
 void Config::PreSaveCleanup(bool gameSpecific) {
diff --git a/Core/Config.h b/Core/Config.h
index cb82528598..a82c6f8e48 100644
--- a/Core/Config.h
+++ b/Core/Config.h
@@ -281,12 +281,13 @@ public:
 	int iAudioBackend;
 
 	// Volume settings, 0-10
-	int iGameVolume;
+	int iLegacyGameVolume;
 	int iReverbVolume;
 	int iAltSpeedVolume;
 	int iAchievementSoundVolume;
 
 	// Newer volume settings, 0-100
+	int iGameVolume;
 	int iUIVolume;
 
 	bool bExtraAudioBuffering;  // For bluetooth
diff --git a/Core/HLE/__sceAudio.cpp b/Core/HLE/__sceAudio.cpp
index 19e389ad0b..269b75bf2d 100644
--- a/Core/HLE/__sceAudio.cpp
+++ b/Core/HLE/__sceAudio.cpp
@@ -414,7 +414,7 @@ void __AudioUpdate(bool resetRecording) {
 	}
 
 	if (g_Config.bEnableSound) {
-		float multiplier = Volume10ToMultiplier(std::clamp(g_Config.iGameVolume, 0, VOLUME_FULL));
+		float multiplier = Volume100ToMultiplier(std::clamp(g_Config.iGameVolume, 0, VOLUMEHI_FULL));
 		if (PSP_CoreParameter().fpsLimit != FPSLimit::NORMAL || PSP_CoreParameter().fastForward) {
 			if (g_Config.iAltSpeedVolume != -1) {
 				// Multiply in the alt speed volume instead of replacing like before.
diff --git a/UI/GameSettingsScreen.cpp b/UI/GameSettingsScreen.cpp
index 52402ccb5a..8f941b11af 100644
--- a/UI/GameSettingsScreen.cpp
+++ b/UI/GameSettingsScreen.cpp
@@ -656,7 +656,7 @@ void GameSettingsScreen::CreateAudioSettings(UI::ViewGroup *audioSettings) {
 	// This is here because it now only applies to in-game. Muting the menu sounds is separate.
 	CheckBox *enableSound = audioSettings->Add(new CheckBox(&g_Config.bEnableSound, a->T("Enable Sound")));
 
-	PopupSliderChoice *volume = audioSettings->Add(new PopupSliderChoice(&g_Config.iGameVolume, VOLUME_OFF, VOLUME_FULL, VOLUME_FULL, a->T("Game volume"), screenManager()));
+	PopupSliderChoice *volume = audioSettings->Add(new PopupSliderChoice(&g_Config.iGameVolume, VOLUME_OFF, VOLUMEHI_FULL, VOLUMEHI_FULL, a->T("Game volume"), screenManager()));
 	volume->SetEnabledPtr(&g_Config.bEnableSound);
 	volume->SetZeroLabel(a->T("Mute"));
 
diff --git a/headless/Headless.cpp b/headless/Headless.cpp
index e671293f99..59bc9c8772 100644
--- a/headless/Headless.cpp
+++ b/headless/Headless.cpp
@@ -527,7 +527,7 @@ int main(int argc, const char* argv[])
 	g_Config.sMACAddress = "12:34:56:78:9A:BC";
 	g_Config.iFirmwareVersion = PSP_DEFAULT_FIRMWARE;
 	g_Config.iPSPModel = PSP_MODEL_SLIM;
-	g_Config.iGameVolume = VOLUME_FULL;
+	g_Config.iGameVolume = VOLUMEHI_FULL;
 	g_Config.iReverbVolume = VOLUME_FULL;
 	g_Config.internalDataDirectory.clear();
 	g_Config.bUseExperimentalAtrac = newAtrac;