diff --git a/engines/groovie/logic/mousetrap.cpp b/engines/groovie/logic/mousetrap.cpp
index b5c09fd7e91..66913a518b1 100644
--- a/engines/groovie/logic/mousetrap.cpp
+++ b/engines/groovie/logic/mousetrap.cpp
@@ -117,6 +117,9 @@ void MouseTrapGame::sub08(byte *scriptVariables) {
 void MouseTrapGame::sub09(byte *scriptVariables) {
 }
 
+void MouseTrapGame::sub11(int8 x, int8 y) {
+}
+
 int8 MouseTrapGame::xyToPos(int8 x, int8 y) {
 	return 5 * y + x + 1;
 }
@@ -157,5 +160,41 @@ bool MouseTrapGame::calcSolution() {
 		|| ((val & 2) != 0 && _mouseTrapPos.x && (_mouseTrapCells[pos + 4] & 8) != 0);
 }
 
+bool MouseTrapGame::havePosInRoute(int8 y, int8 x) {
+	return false;
+}
+
+void MouseTrapGame::addToRoute(int8 y, int8 x, int8 num) {
+}
+
+void MouseTrapGame::updateRoute() {
+}
+
+void MouseTrapGame::popLastStep(int8 *x, int8 *y) {
+}
+
+void MouseTrapGame::goFarthest(int8 *x, int8 *y) {
+}
+
+void MouseTrapGame::findMinPointInRoute(int8 *y, int8 *x) {
+}
+
+int8 MouseTrapGame::calcDistanceToExit() {
+	return 0;
+}
+
+int8 MouseTrapGame::getBestDirection(int8 *x, int8 *y) {
+	return 0;
+}
+
+int8 MouseTrapGame::findMaxPointInRoute(int8 *y, int8 *x) {
+	return 0;
+}
+
+int8 MouseTrapGame::findMaxInRoute() {
+	return 0;
+}
+
+
 
 } // End of Groovie namespace
diff --git a/engines/groovie/logic/mousetrap.h b/engines/groovie/logic/mousetrap.h
index 672e281f8d7..ca70558fb42 100644
--- a/engines/groovie/logic/mousetrap.h
+++ b/engines/groovie/logic/mousetrap.h
@@ -65,12 +65,24 @@ private:
 	void sub07(byte *scriptVariables);
 	void sub08(byte *scriptVariables);
 	void sub09(byte *scriptVariables);
+	void sub11(int8 x, int8 y);
 	int8 xyToPos(int8 x, int8 y);
 	void posToXY(int8 pos, int8 *x, int8 *y);
 	void copyStateToVars(byte *scriptVariables);
 	int8 findState(int8 val);
 	void flipField(int8 x, int8 y);
 	bool calcSolution();
+	bool havePosInRoute(int8 y, int8 x);
+	void addToRoute(int8 y, int8 x, int8 num);
+	void updateRoute();
+	void popLastStep(int8 *x, int8 *y);
+	void goFarthest(int8 *x, int8 *y);
+	void findMinPointInRoute(int8 *y, int8 *x);
+	int8 calcDistanceToExit();
+	int8 getBestDirection(int8 *x, int8 *y);
+	int8 findMaxPointInRoute(int8 *y, int8 *x);
+	int8 findMaxInRoute();
+
 
 private:
 	Common::RandomSource _random;