diff --git a/src/game/lib/util/record_util.js b/src/game/lib/util/record_util.js
index dd1dd9f..ce86b57 100644
--- a/src/game/lib/util/record_util.js
+++ b/src/game/lib/util/record_util.js
@@ -9,14 +9,14 @@ RecordUtil.getRecordValueWithUnit = function(record, appID) {
 }
 
 RecordUtil.getRecordValueText = function(record, appID) {
-	if(appID == 104)
+	if(appID == 104 || appID == 105)
 		return record.toFixed(2);
 	else
 		return NumberUtil.numberWithCommas(Math.floor(record));
 }
 
 RecordUtil.getRecordUnit = function(appID) {
-	if(appID == 104)	// dodge
+	if(appID == 104 || appID == 105)	// dodge
 		return " 초";
 	else if(appID == 52 || appID == 53)	// word flyingsaucer
 		return " 점";
diff --git a/src/game/mouse/one_to_fifty/game.js b/src/game/mouse/one_to_fifty/game.js
index 276d5e7..28f388e 100644
--- a/src/game/mouse/one_to_fifty/game.js
+++ b/src/game/mouse/one_to_fifty/game.js
@@ -27,22 +27,7 @@ var Game = {
 		screenTopUI.makeBackButton( (function() { this.back(); }).bind(this) );
 		screenTopUI.makeFullScreenButton();
 
-		this.scoreManager = new ScoreManager();
-		this.scoreBoard = new ScoreBoard();
-		this.scoreManager.addOnChangeScoreListener(
-			(function(score) {
-				sessionStorageManager.setRecord(score);
-				this.scoreBoard.printScore(NumberUtil.numberWithCommas(score));
-			}).bind(this)
-		);
-		this.scoreManager.addOnChangeHighScoreListener(
-			(function(highScore) {
-				// console.log(highScore);
-				// sessionStorageManager.setAppHighestRecord(highScore);
-				sessionStorageManager.setIsNewBestRecrd(true);
-				// this.screenBottomUI.printLeftTextWithAppHighestRecord(sessionStorageManager.getAppHighestRecord());
-			}).bind(this)
-		);
+		this.stopWatch = new StopWatch(game);
 
 
 		this.initVariables();
@@ -73,10 +58,16 @@ var Game = {
 
 
 	startGame: function() {
-		this.startStage();
+		this.stopWatch.start();
 	},
 
-	startStage: function() {
+	gameClear: function() {
+		var recordTime = this.stopWatch.stop();
+		sessionStorageManager.setRecord(recordTime);
+		if(!isExperienceMaestroAccount())
+			this.updateResultRecord();
+
+		game.time.events.add(Game.GAME_OVER_WAIT_TIME_MS, this.goResult, this);
 	},
 
 	timeOver: function() {
@@ -84,7 +75,12 @@ var Game = {
 		if(!isExperienceMaestroAccount())
 			this.updateResultRecord();
 
-		game.time.events.add(Phaser.Timer.SECOND * 2, this.goResult, this);
+		var recordTime = this.stopWatch.stop();
+		sessionStorageManager.setRecord(recordTime);
+		if(!isExperienceMaestroAccount())
+			this.updateResultRecord();
+
+		game.time.events.add(Game.GAME_OVER_WAIT_TIME_MS, this.goResult, this);
 	},
 
 	updateResultRecord: function() {
@@ -105,5 +101,6 @@ var Game = {
 }
 
 
+Game.GAME_OVER_WAIT_TIME_MS		= 3000;
 // Game.GAME_TIME_SEC				= 60;
 // Game.NEXT_STAGE_DELAY_MS		= 500;
\ No newline at end of file
diff --git a/src/game/mouse/one_to_fifty/stop_watch.js b/src/game/mouse/one_to_fifty/stop_watch.js
new file mode 100644
index 0000000..7bfeb2f
--- /dev/null
+++ b/src/game/mouse/one_to_fifty/stop_watch.js
@@ -0,0 +1,88 @@
+function StopWatch() {
+	this.ellapsedTime = 0;
+	// this.startTime = 0;
+	this.isPaused = true;
+
+	var fontStyle = StopWatch.DEFAULT_TEXT_FONT;
+
+	this.timerText = game.add.text(game.world.centerX, 35, "", fontStyle);
+	this.timerText.anchor.set(0.5);
+	this.printTime();
+
+	// var grd = this.label.context.createLinearGradient(0, 0, 0, StopWatch.FONT_HEIGHT_PX);
+	// grd.addColorStop(0, '#8ED6FF');
+	// grd.addColorStop(1, '#004CB3');
+	// this.label.fill = grd;
+	// this.scoreText.fill = grd;
+
+	// this.setShadow(3, 3, 'rgba(0, 0, 0, 0.5)', 2);
+	// this.label.stroke = '#000';
+	// this.label.strokeThickness = 3;
+
+	this.timerEvent = null;
+}
+
+StopWatch.prototype.start = function() {
+	this.isPaused = false;
+	// this.startTime = game.time.totalElapsedSeconds();
+
+	this.ellapsedTimer = game.time.create(false);
+	this.timerEvent = this.ellapsedTimer.loop(10, this.updateTimer, this);
+	this.ellapsedTimer.start();
+
+	this.printTime();
+
+	// this.timerEvent = game.time.events.loop(Phaser.Timer.SECOND / 100, this.updateTimer, this);
+}
+
+StopWatch.prototype.pause = function() {
+	this.isPaused = true;
+}
+
+StopWatch.prototype.resume = function() {
+	this.isPaused = false;
+}
+
+StopWatch.prototype.stop = function() {
+	// var recordTime = game.time.totalElapsedSeconds() - this.startTime;
+	this.removeTimer();
+
+	// return recordTime;
+	return this.ellapsedTime;
+}
+
+StopWatch.prototype.updateTimer = function() {
+	if(this.isPaused == true)
+		return;
+
+	// this.ellapsedTime = game.time.totalElapsedSeconds() - this.startTime;
+	this.ellapsedTime += 0.01;
+	this.printTime();
+}
+
+StopWatch.prototype.printTime = function() {
+	this.timerText.text = RecordUtil.getRecordValueWithUnit(
+		this.ellapsedTime, sessionStorageManager.getPlayingAppID()
+	);
+}
+
+StopWatch.prototype.removeTimer = function() {
+	game.time.events.remove(this.timerEvent);
+	if(this.timerEvent)
+		this.timerEvent = null;
+
+	this.ellapsedTimer.stop();
+	this.ellapsedTimer = null;
+}
+
+
+
+StopWatch.FONT_HEIGHT_PX		= 70;
+
+StopWatch.DEFAULT_TEXT_FONT	= {
+	font: "38px Arial",
+	align: "center",
+	boundsAlignH: "center",		// left, center. right
+	boundsAlignV: "middle", 	// top, middle, bottom
+	fill: "#fff"
+};
\ No newline at end of file
diff --git a/src/web/client/onetofifty.html b/src/web/client/onetofifty.html
index b6a56e0..99683fa 100644
--- a/src/web/client/onetofifty.html
+++ b/src/web/client/onetofifty.html
@@ -65,6 +65,8 @@
 		<!-- Space Invaders : source files -->
 		<script src="../../game/mouse/one_to_fifty/loading.js"></script>
 
+		<script src="../../game/mouse/one_to_fifty/stop_watch.js"></script>
+
 		<script src="../../game/mouse/one_to_fifty/game.js"></script>
 		<script src="../../game/mouse/one_to_fifty/main.js"></script>