diff --git a/engines/mortevielle/actions.cpp b/engines/mortevielle/actions.cpp
index cd08177bcc52..cabd0522ddc9 100644
--- a/engines/mortevielle/actions.cpp
+++ b/engines/mortevielle/actions.cpp
@@ -54,7 +54,7 @@ void fctMove() {
 		repon(2, g_s._currPlace);
 	}
 	if ((g_s._currPlace == LANDING) && (g_msg[4] == g_vm->_menu._moveMenu[6])) {
-		if (!g_syn)
+		if (!g_vm->_syn)
 			ecr3(g_vm->getEngineString(S_GO_TO));
 		tfleche();
 		if (g_vm->_keyPressedEsc)
@@ -189,7 +189,7 @@ void fctTake() {
 		if (g_crep != 139) {
 			if (g_ipers > 0)
 				g_s._faithScore += 3;
-			if (g_obpart) {
+			if (g_vm->_obpart) {
 				if (g_s._currPlace == PURPLE_ROOM)
 					g_s._purpleRoomObjectId = 0;
 				if (g_s._currPlace == ATTIC) {
@@ -207,7 +207,7 @@ void fctTake() {
 				if (g_s._currPlace == WELL)
 					g_s._wellObjectId = 0;
 				unsetSearchMenu();
-				g_obpart = false;
+				g_vm->_obpart = false;
 				affrep();
 			} else {
 				g_tabdon[acha + ((g_mchai - 1) * 10) + g_cs - 1] = 0;
@@ -221,7 +221,7 @@ void fctTake() {
 		}
 		return;
 	}
-	if (!g_syn)
+	if (!g_vm->_syn)
 		ecr3(g_vm->getEngineString(S_TAKE));
 	tfleche();
 	if ((g_anyone) || (g_vm->_keyPressedEsc))
@@ -322,7 +322,7 @@ void fctInventoryTake() {
  * @remarks	Originally called 'tsoulever'
  */
 void fctLift() {
-	if (!g_syn)
+	if (!g_vm->_syn)
 		ecr3(g_vm->getEngineString(S_LIFT));
 	tfleche();
 	if ((g_anyone) || (g_vm->_keyPressedEsc))
@@ -359,7 +359,7 @@ void fctRead() {
 	if (g_caff > 99)
 		st4(g_caff);
 	else {
-		if (!g_syn)
+		if (!g_vm->_syn)
 			ecr3(g_vm->getEngineString(S_READ));
 		tfleche();
 		if (!(g_anyone) && !(g_vm->_keyPressedEsc)) {
@@ -392,7 +392,7 @@ void fctLook() {
 		g_crep = 103;
 		return;
 	}
-	if (!g_syn)
+	if (!g_vm->_syn)
 		ecr3(g_vm->getEngineString(S_LOOK));
 	tfleche();
 	if ((g_anyone) || (g_vm->_keyPressedEsc))
@@ -482,7 +482,7 @@ void fctSearch() {
 		return;
 	}
 
-	if (!g_syn)
+	if (!g_vm->_syn)
 		ecr3(g_vm->getEngineString(S_SEARCH));
 
 	tfleche();
@@ -513,7 +513,7 @@ void fctSearch() {
 				if (g_mchai != 0) {
 					g_cs = 0;
 					g_is = 0;
-					g_heroSearching = true;
+					g_vm->_heroSearching = true;
 					setSearchMenu();
 					tsuiv();
 				} else
@@ -579,13 +579,13 @@ void fctSelfSearch() {
  * @remarks	Originally called 'touvrir'
  */
 void fctOpen() {
-	if (!g_syn)
+	if (!g_vm->_syn)
 		ecr3(g_vm->getEngineString(S_OPEN));
 
 	if (g_caff == 26) {
 		if (g_ment != 0) {
 			g_msg[4] = OPCODE_ENTER;
-			g_syn = true;
+			g_vm->_syn = true;
 		} else
 			g_crep = 997;
 		return;
@@ -646,7 +646,7 @@ void fctPlace() {
 		return;
 	}
 
-	if (!g_syn)
+	if (!g_vm->_syn)
 		ecr3(g_vm->getEngineString(S_PUT));
 
 	tfleche();
@@ -779,7 +779,7 @@ void fctTurn() {
 		g_crep = 149;
 		return;
 	}
-	if (!g_syn)
+	if (!g_vm->_syn)
 		ecr3(g_vm->getEngineString(S_TURN));
 	tfleche();
 	if ((g_anyone) || (g_vm->_keyPressedEsc))
@@ -815,7 +815,7 @@ void fctTurn() {
  * @remarks	Originally called 'tcacher'
  */
 void fctSelfHide() {
-	if (!g_syn)
+	if (!g_vm->_syn)
 		ecr3(g_vm->getEngineString(S_HIDE_SELF));
 	tfleche();
 	if (!(g_anyone) && !(g_vm->_keyPressedEsc)) {
@@ -837,7 +837,7 @@ void fctAttach() {
 	if (g_s._selectedObjectId == 0)
 		g_crep = 186;
 	else {
-		if (!g_syn)
+		if (!g_vm->_syn)
 			ecr3(g_vm->getEngineString(S_TIE));
 		tfleche();
 		if (!(g_anyone) && !(g_vm->_keyPressedEsc)) {
@@ -861,7 +861,7 @@ void fctAttach() {
  * @remarks	Originally called 'tfermer'
  */
 void fctClose() {
-	if (!g_syn)
+	if (!g_vm->_syn)
 		ecr3(g_vm->getEngineString(S_CLOSE));
 
 	if (g_caff < 26) {
@@ -903,7 +903,7 @@ void fctClose() {
 void fctKnock() {
 	warning("Knock - _currPlace %d", g_s._currPlace);
 
-	if (!g_syn)
+	if (!g_vm->_syn)
 		ecr3(g_vm->getEngineString(S_HIT));
 
 	if (g_s._currPlace == LANDING) {
@@ -951,7 +951,7 @@ void fctKnock() {
  * @remarks	Originally called 'tposer'
  */
 void fctSelfPut() {
-	if (!g_syn)
+	if (!g_vm->_syn)
 		ecr3(g_vm->getEngineString(S_POSE));
 	if (g_s._selectedObjectId == 0)
 		g_crep = 186;
@@ -1151,7 +1151,7 @@ void fctEnter() {
 				g_s._currPlace = LANDING;
 				g_msg[3] = MENU_DISCUSS;
 				g_msg[4] = g_vm->_menu._discussMenu[g_x];
-				g_syn = true;
+				g_vm->_syn = true;
 				if (g_ment == 9) {
 					g_vm->_col = true;
 					g_caff = 70;
@@ -1230,7 +1230,7 @@ void fctSleep() {
  * @remarks	Originally called 'tdefoncer'
  */
 void fctForce() {
-	if (!g_syn)
+	if (!g_vm->_syn)
 		ecr3(g_vm->getEngineString(S_SMASH));
 	if (g_caff < 25)
 		tfleche();
@@ -1286,8 +1286,6 @@ void fctLeave() {
  * @remarks	Originally called 'tattendre'
  */
 void fctWait() {
-	int quel;
-
 	g_mpers = 0;
 	clsf3();
 
@@ -1296,7 +1294,7 @@ void fctWait() {
 		++g_jh;
 		tinke();
 		if (!g_vm->_blo)
-			quel = t11(g_s._currPlace);
+			t11(g_s._currPlace);
 		if ((g_ipers != 0) && (g_mpers == 0)) {
 			g_crep = 998;
 			if ((g_s._currPlace == ATTIC) || (g_s._currPlace == CELLAR))
@@ -1321,7 +1319,7 @@ void fctWait() {
  * @remarks	Originally called 'tsonder'
  */
 void fctSound() {
-	if (!g_syn)
+	if (!g_vm->_syn)
 		ecr3(g_vm->getEngineString(S_PROBE2));
 	if (g_caff < 27) {
 		tfleche();
@@ -1536,7 +1534,7 @@ void fctDiscuss() {
 void fctSmell() {
 	g_crep = 119;
 	if (g_caff < 26) {
-		if (!g_syn)
+		if (!g_vm->_syn)
 			ecr3(g_vm->getEngineString(S_SMELL));
 		tfleche();
 		if (!(g_anyone) && !(g_vm->_keyPressedEsc))
@@ -1554,7 +1552,7 @@ void fctSmell() {
 void fctScratch() {
 	g_crep = 155;
 	if (g_caff < 27) {
-		if (!g_syn)
+		if (!g_vm->_syn)
 			ecr3(g_vm->getEngineString(S_SCRATCH));
 		tfleche();
 	}
diff --git a/engines/mortevielle/mor2.cpp b/engines/mortevielle/mor2.cpp
index 4c3342b90073..bf62fe385722 100644
--- a/engines/mortevielle/mor2.cpp
+++ b/engines/mortevielle/mor2.cpp
@@ -301,10 +301,8 @@ void tperd() {
 	g_iouv = 0;
 	g_mchai = 0;
 	unsetSearchMenu();
-	if (!g_vm->_blo) {
-		int cx;
-		cx = t11(21);
-	}
+	if (!g_vm->_blo)
+		t11(21);
 
 	g_vm->_loseGame = true;
 	clsf1();
@@ -313,7 +311,7 @@ void tperd() {
 	clearScreenType2();
 	clsf3();
 	g_vm->_col = false;
-	g_syn = false;
+	g_vm->_syn = false;
 	g_okdes = false;
 }
 
@@ -425,8 +423,8 @@ void sparl(float adr, float rep) {
  * @remarks	Originally called 'finfouill'
  */
 void endSearch() {
-	g_heroSearching = false;
-	g_obpart = false;
+	g_vm->_heroSearching = false;
+	g_vm->_obpart = false;
 	g_cs = 0;
 	g_is = 0;
 	unsetSearchMenu();
@@ -591,7 +589,7 @@ void quelquun() {
 		g_crep = g_caff;
 		g_msg[3] = MENU_DISCUSS;
 		g_msg[4] = g_vm->_menu._discussMenu[cx];
-		g_syn = true;
+		g_vm->_syn = true;
 		g_vm->_col = true;
 	} else {
 		if (getRandomNumber(1, 3) == 2) {
@@ -763,7 +761,7 @@ void treg(int ob) {
 		g_msg[3] = 0;
 		g_crep = 998;
 	} else {
-		g_obpart = true;
+		g_vm->_obpart = true;
 		g_crep = g_caff + 400;
 		setSearchMenu();
 	}
diff --git a/engines/mortevielle/mortevielle.cpp b/engines/mortevielle/mortevielle.cpp
index 42c714e4560c..86777984775c 100644
--- a/engines/mortevielle/mortevielle.cpp
+++ b/engines/mortevielle/mortevielle.cpp
@@ -144,7 +144,7 @@ Common::ErrorCode MortevielleEngine::initialise() {
 
 	g_currGraphicalDevice = MODE_EGA;
 	g_newGraphicalDevice = g_currGraphicalDevice;
-	g_zuul = false;
+	_zuul = false;
 	charpal();
 	charge_cfiph();
 	charge_cfiec();
@@ -613,13 +613,13 @@ void MortevielleEngine::handleAction() {
 			if ((g_msg[3] == MENU_ACTION) || (g_msg[3] == MENU_SELF))
 				g_mnumo = g_msg[4];
 			if (!g_anyone) {
-				if ((g_heroSearching) || (g_obpart)) {
+				if ((g_vm->_heroSearching) || (_obpart)) {
 					if (y_s < 12)
 						return;
 
 					if ((g_msg[4] == OPCODE_SOUND) || (g_msg[4] == OPCODE_LIFT)) {
 						oo = true;
-						if ((g_msg[4] == OPCODE_LIFT) || (g_obpart)) {
+						if ((g_msg[4] == OPCODE_LIFT) || (_obpart)) {
 							endSearch();
 							g_caff = g_s._currPlace;
 							g_crep = 998;
@@ -639,10 +639,10 @@ void MortevielleEngine::handleAction() {
 						g_okdes = false;
 						dessin(0);
 					}
-					if ((!g_syn) || (_col))
+					if ((!g_vm->_syn) || (_col))
 						repon(2, g_crep);
 				}
-			} while (g_syn);
+			} while (g_vm->_syn);
 			if (g_ctrm != 0)
 				tctrm();
 		}
diff --git a/engines/mortevielle/mortevielle.h b/engines/mortevielle/mortevielle.h
index 30b1b982e90d..b2a8ff6b9b14 100644
--- a/engines/mortevielle/mortevielle.h
+++ b/engines/mortevielle/mortevielle.h
@@ -117,10 +117,14 @@ class MortevielleEngine : public Engine {
 	bool _soundOff;
 	bool _largestClearScreen;
 	bool _hiddenHero;
+	bool _heroSearching;
 	bool _keyPressedEsc;
 
 	bool _blo;
 	bool _col;
+	bool _syn;
+	bool _zuul;
+	bool _obpart;
 
 
 	ScreenSurface _screenSurface;
diff --git a/engines/mortevielle/mouse.cpp b/engines/mortevielle/mouse.cpp
index d6ffb116dea4..55edea573809 100644
--- a/engines/mortevielle/mouse.cpp
+++ b/engines/mortevielle/mouse.cpp
@@ -421,7 +421,7 @@ void moveMouse(bool &funct, char &key) {
 			return;
 			break;
 		case '\26':
-			g_zuul = true;
+			g_vm->_zuul = true;
 			return;
 			break;
 		case '\24':           // ^T => mode tandy
diff --git a/engines/mortevielle/prog.cpp b/engines/mortevielle/prog.cpp
index a74def2eb4eb..eb6b9793688b 100644
--- a/engines/mortevielle/prog.cpp
+++ b/engines/mortevielle/prog.cpp
@@ -88,8 +88,8 @@ void MortevielleEngine::gameLoaded() {
 	g_cs = 0;
 	g_is = 0;
 	g_ment = 0;
-	g_syn = true;
-	g_heroSearching = true;
+	g_vm->_syn = true;
+	g_vm->_heroSearching = true;
 	g_mchai = 0;
 	g_inei = 0;
 	initouv();
@@ -101,7 +101,7 @@ void MortevielleEngine::gameLoaded() {
 	g_okdes = false;
 	_endGame = true;
 	_loseGame = false;
-	g_heroSearching = false;
+	g_vm->_heroSearching = false;
 
 	displayAloneText();
 	tinke();
@@ -134,7 +134,7 @@ void tmaj3() {
 void tsitu() {
 	if (!g_vm->_col)
 		clearScreenType2();
-	g_syn = false;
+	g_vm->_syn = false;
 	g_vm->_keyPressedEsc = false;
 	if (!g_anyone) {
 		if (g_brt)
diff --git a/engines/mortevielle/var_mor.cpp b/engines/mortevielle/var_mor.cpp
index d9aa291e3f58..2903abfc43a4 100644
--- a/engines/mortevielle/var_mor.cpp
+++ b/engines/mortevielle/var_mor.cpp
@@ -78,11 +78,7 @@ const byte g_rang[16] = {15, 14, 11, 7, 13, 12, 10, 6, 9, 5, 3, 1, 2, 4, 8, 0};
 /*------------------------------   VARIABLES   ------------------------------*/
 /*---------------------------------------------------------------------------*/
 
-bool    g_syn,
-        g_heroSearching,
-        g_zuul,
-        g_obpart,
-        g_okdes,
+bool    g_okdes,
         g_arret,
         g_anyone,
         g_brt,
diff --git a/engines/mortevielle/var_mor.h b/engines/mortevielle/var_mor.h
index 610b302e4521..0402cd6d48e1 100644
--- a/engines/mortevielle/var_mor.h
+++ b/engines/mortevielle/var_mor.h
@@ -224,10 +224,6 @@ enum GraphicModes { MODE_AMSTRAD1512 = 0, MODE_CGA = 1, MODE_EGA = 2, MODE_HERCU
 /*---------------------------------------------------------------------------*/
 
 extern bool 
-        g_syn,
-        g_heroSearching,
-        g_zuul,
-        g_obpart,
         g_okdes,
         g_anyone,
         g_brt,