diff --git a/src/gui/ksudoku.h b/src/gui/ksudoku.h
--- a/src/gui/ksudoku.h
+++ b/src/gui/ksudoku.h
@@ -86,9 +86,9 @@
      * Default Destructor
      */
 	virtual ~KSudoku();
-	
+
 	void loadGame(const QUrl& url);
-	
+
 public:
 	void updateShapesList();
 	void createCustomShape();
@@ -102,20 +102,21 @@
 
 public slots:
 	void onCompleted(bool isCorrect, const QTime& required, bool withHelp = false);
-	
+
 	void showWelcomeScreen();
 
 	void startGame(const ::ksudoku::Game& game);
 	void endCurrentGame();
 
 	bool queryClose() override;
-	
+
 private slots:
 	void difficultyChanged (KGameDifficulty::standardLevel difficulty);
 	void difficultyChanged (int difficulty); // IDW test.
 	void symmetryChanged   (int symmetry);
 
 	void gameNew();
+	void gameRestart();
 	void gameOpen();
 	void gameSave();
 	void gameSaveAs();
@@ -153,16 +154,16 @@
 
 private:
 	QWidget* wrapper;
-	
+
 	QAction* m_gameSave;
 	QAction* m_gameSaveAs;
 
 	ksudoku::GameVariantCollection* m_gameVariants;
 	ksudoku::WelcomeScreen* m_welcomeScreen;
-	
+
 	QWidget* m_gameWidget;
 	ksudoku::ValueListWidget* m_valueListWidget;
-	
+
 	ksudoku::KsView* m_gameUI;
 
 	ksudoku::GameActions* m_gameActions;
diff --git a/src/gui/ksudoku.cpp b/src/gui/ksudoku.cpp
--- a/src/gui/ksudoku.cpp
+++ b/src/gui/ksudoku.cpp
@@ -114,9 +114,9 @@
 // // 		m = view->status();
 // // 	if(currentView())
 // // 		m = currentView()->status();
-// 
+//
 // 	// TODO fix this: add new status bar generation code
-// 
+//
 // 	statusBar()->showMessage(m);
 // }
 
@@ -236,8 +236,8 @@
 void KSudoku::startGame(const Game& game) {
 	m_welcomeScreen->hide();
 	endCurrentGame();
-	
-	
+
+
 	KsView* view = new KsView(game, m_gameActions, this);
 
 	view->setValueListWidget(m_valueListWidget);
@@ -352,10 +352,10 @@
 
 void KSudoku::endCurrentGame() {
 	m_valueListWidget->hide();
-	
+
 	delete m_gameUI;
 	m_gameUI = 0;
-	
+
 	adaptActions2View();
 
 }
@@ -457,6 +457,7 @@
 	setAcceptDrops(true);
 
 	KStandardGameAction::gameNew(this, SLOT(gameNew()), actionCollection());
+	KStandardGameAction::restart(this, SLOT(gameRestart()), actionCollection());
 	KStandardGameAction::load(this, SLOT(gameOpen()), actionCollection());
 	m_gameSave = KStandardGameAction::save(this, SLOT(gameSave()), actionCollection());
 	m_gameSaveAs = KStandardGameAction::saveAs(this, SLOT(gameSaveAs()), actionCollection());
@@ -545,6 +546,9 @@
 
 	m_gameSave->setEnabled(game.isValid());
 	m_gameSaveAs->setEnabled(game.isValid());
+	action("game_new")->setEnabled(game.isValid());
+	action("game_restart")->setEnabled(game.isValid());
+	action("game_print")->setEnabled(game.isValid());
 	if(game.isValid()) {
 		action("move_undo")->setEnabled(game.canUndo());
 		action("move_redo")->setEnabled(game.canRedo());
@@ -647,15 +651,35 @@
 	if(!m_gameUI->game().wasFinished()) {
 		if(KMessageBox::questionYesNo(this,
 	                              i18n("Do you really want to end this game in order to start a new one?"),
-	                              i18nc("window title", "Restart Game"),
-	                              KGuiItem(i18nc("button label", "Restart Game")),
+	                              i18nc("window title", "New Game"),
+	                              KGuiItem(i18nc("button label", "New Game")),
 	                              KStandardGuiItem::cancel() ) != KMessageBox::Yes)
 			return;
 	}
 
 	showWelcomeScreen();
 }
 
+void KSudoku::gameRestart()
+{
+	if (!currentView()) return;
+
+	auto game = currentGame();
+
+	// only show question when the current game hasn't been finished until now
+	if (!game.wasFinished()) {
+		if (KMessageBox::questionYesNo(this,
+                                i18n("Do you really want to restart this game?"),
+                                i18nc("window title", "Restart Game"),
+                                KGuiItem(i18nc("button label", "Restart Game")),
+                                KStandardGuiItem::cancel() ) != KMessageBox::Yes) {
+			return;
+		}
+	}
+
+	game.restart();
+}
+
 void KSudoku::gameOpen()
 {
 	// this slot is called whenever the Game->Open menu is selected,
diff --git a/src/gui/ksudokugame.h b/src/gui/ksudokugame.h
--- a/src/gui/ksudokugame.h
+++ b/src/gui/ksudokugame.h
@@ -114,6 +114,11 @@
 	Game& operator=(const Game& game);
 	
 public:
+	/**
+	 * Restarts the game and marks it as unfinished
+	 */
+	void restart();
+
 	int order() const;
 
 	int  value(int index) const;
diff --git a/src/gui/ksudokugame.cpp b/src/gui/ksudokugame.cpp
--- a/src/gui/ksudokugame.cpp
+++ b/src/gui/ksudokugame.cpp
@@ -198,6 +198,15 @@
 // IDW test. Eliminated optimized[] arrays and xxxConnection() functions.
 }
 
+void Game::restart() {
+	while (canUndo()) {
+		interface()->undo();
+	}
+	m_private->history.clear(); // otherwise we could do redo
+	m_private->wasFinished = false;
+	m_private->emitModified(true); // e.g. to update undo/redo action state
+}
+
 int Game::order() const {
 	if(!m_private) return 0;
 	return m_private->puzzle->order();
diff --git a/src/gui/ksudokuui.rc b/src/gui/ksudokuui.rc
--- a/src/gui/ksudokuui.rc
+++ b/src/gui/ksudokuui.rc
@@ -1,14 +1,15 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <gui name="ksudoku"
-     version="6"
+     version="7"
      xmlns="http://www.kde.org/standards/kxmlgui/1.0"
      xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
      xsi:schemaLocation="http://www.kde.org/standards/kxmlgui/1.0
                          http://www.kde.org/standards/kxmlgui/1.0/kxmlgui.xsd">
 
 <MenuBar>
 	<Menu noMerge="1" name="game" ><text>&amp;Game</text>
 		<Action group="game_merge" name="game_new"  />
+		<Action group="game_merge" name="game_restart" />
 		<Action group="game_merge" name="game_load" />
 		<Separator group="game_merge" />
 		<Action group="save_merge" name="game_save" />
@@ -44,6 +45,7 @@
 <ToolBar name="mainToolBar">
 	<text>Main Toolbar</text>
 	<Action name="game_new" />
+	<Action name="game_restart" />
 	<Action name="game_print" />
 </ToolBar>