diff --git a/src/game/global/global_variables.js b/src/game/global/global_variables.js
index ceae7de..bbd7f0f 100644
--- a/src/game/global/global_variables.js
+++ b/src/game/global/global_variables.js
@@ -162,7 +162,7 @@ function getGameAppName() {
 	if(isTypingPracticeApp())
 		return "typing_practice";
 	else if(isTypingTestApp())
-		return "typing_test.html";
+		return "typing_test";
 	else if(isTypingGameApp()) {
 		if(isKoreanTypingApp())
 			return appName.substring("typing_korean_".length);
diff --git a/src/game/mouse/space_invaders/loading.js b/src/game/mouse/space_invaders/loading.js
index 52e4e0f..7d49b1a 100644
--- a/src/game/mouse/space_invaders/loading.js
+++ b/src/game/mouse/space_invaders/loading.js
@@ -1,14 +1,14 @@
 var Loading = {
 
 	preload: function() {
-		// this.game.load.image('loadingbar', './image/phaser.png');
+		// game.load.image('loadingbar', './image/phaser.png');
 	},
 
 	create: function() {
 		// let userID = sessionStorage.getItem("UserID");
 		// console.log("userID : " + userID);
 
-		// this.game.stage.backgroundColor = '#4d4d4d';
+		// game.stage.backgroundColor = '#4d4d4d';
 
 		// //	Progress report
   //   	this.textProgress = game.add.text(game.world.centerX, 100, '로딩중 . . .', textStyleBasic);
@@ -20,44 +20,44 @@ var Loading = {
 		// this.preloadBar.anchor.setTo(0.5);
 		// this.preloadBar.alpha = 0;
 
-		this.game.load.onFileComplete.add(this.fileComplete, this);
-		this.game.load.onLoadComplete.add(this.loadComplete, this);
+		game.load.onFileComplete.add(this.fileComplete, this);
+		game.load.onLoadComplete.add(this.loadComplete, this);
 
 		this.startLoading();
 	},
 
 	startLoading: function() {
-		this.game.load.image('icon_fullscreen',	'../../../resources/image/icon/fullscreen_white.png');
+		game.load.image('icon_fullscreen',	'../../../resources/image/icon/fullscreen_white.png');
 
-		this.game.load.image('star',	'../../../resources/image/background/star_7x7.png');
+		game.load.image('star',	'../../../resources/image/background/star_7x7.png');
 
-		this.game.load.image('alien_normal',	'../../../resources/image/character/alien/green_alien.png');
+		game.load.image('alien_normal',	'../../../resources/image/character/alien/green_alien.png');
 
-		this.game.load.image('heart_full',		'../../../resources/image/ui/heart_full.png');
-		this.game.load.image('heart_empty',		'../../../resources/image/ui/heart_empty.png');
-		// this.game.load.image('a', '../../../resources/image/icon/fullscreen_white.png');
-		// this.game.load.image('b', '../../../resources/image/icon/fullscreen_white.png');
-		// this.game.load.image('c', '../../../resources/image/icon/fullscreen_white.png');
-		// this.game.load.image('d', '../../../resources/image/icon/fullscreen_white.png');
-		// this.game.load.image('a', './image/phaser.png');
-		// this.game.load.image('b', './image/phaser.png');
-		// this.game.load.image('c', './image/phaser.png');
-		// this.game.load.image('d', './image/phaser.png');
-		// this.game.load.image('e', './image/phaser.png');
-		// this.game.load.image('g', './image/phaser.png');
-		// this.game.load.image('e', './image/phaser.png');
-		// this.game.load.image('f', './image/phaser.png');
-		// this.game.load.image('g', './image/phaser.png');
-		// this.game.load.image('h', './image/phaser.png');
+		game.load.image('heart_full',		'../../../resources/image/ui/heart_full.png');
+		game.load.image('heart_empty',		'../../../resources/image/ui/heart_empty.png');
+		// game.load.image('a', '../../../resources/image/icon/fullscreen_white.png');
+		// game.load.image('b', '../../../resources/image/icon/fullscreen_white.png');
+		// game.load.image('c', '../../../resources/image/icon/fullscreen_white.png');
+		// game.load.image('d', '../../../resources/image/icon/fullscreen_white.png');
+		// game.load.image('a', './image/phaser.png');
+		// game.load.image('b', './image/phaser.png');
+		// game.load.image('c', './image/phaser.png');
+		// game.load.image('d', './image/phaser.png');
+		// game.load.image('e', './image/phaser.png');
+		// game.load.image('g', './image/phaser.png');
+		// game.load.image('e', './image/phaser.png');
+		// game.load.image('f', './image/phaser.png');
+		// game.load.image('g', './image/phaser.png');
+		// game.load.image('h', './image/phaser.png');
 
-		// this.game.load.image('phaser', './image/phaser.png');
-		// this.game.load.spritesheet('button', './image/button_basic.png', 200, 100);
-		// this.game.load.image('star', './image/star_particle.png');
-		// this.game.load.image('medal_gold', './image/medal_gold.png');
-		// this.game.load.image('medal_silver', './image/medal_silver.png');
-		// this.game.load.image('medal_bronze', './image/medal_bronze.png');
+		// game.load.image('phaser', './image/phaser.png');
+		// game.load.spritesheet('button', './image/button_basic.png', 200, 100);
+		// game.load.image('star', './image/star_particle.png');
+		// game.load.image('medal_gold', './image/medal_gold.png');
+		// game.load.image('medal_silver', './image/medal_silver.png');
+		// game.load.image('medal_bronze', './image/medal_bronze.png');
 
-		this.game.load.start();
+		game.load.start();
 	},
 
 	fileComplete: function(progress, cacheKey, success, totalLoaded, totalFiles) {
diff --git a/src/game/result/result.js b/src/game/result/result.js
index 9245f46..6b8b500 100644
--- a/src/game/result/result.js
+++ b/src/game/result/result.js
@@ -19,9 +19,9 @@ var Result = {
 		// top ui
 		var screenTopUI = new ScreenTopUI();
 		screenTopUI.makeBackButton( function() {
-			if(isTypingPracticeStage())
+			if(isTypingPracticeApp())
 				location.href = '../../web/client/menu_typing_practice.html';
-			else if(isTypingTestStage())
+			else if(isTypingTestApp())
 				location.href = '../../web/client/menu_typing_test.html';
 			else
 				location.href = '../../web/client/menu_app.html';
@@ -153,18 +153,6 @@ var Result = {
 
 	restartStage: function() {
 		location.href = "../../web/client/" + getGameAppName() + ".html";
-		/*
-		if(isTypingPracticeApp())
-			location.href = "../../web/client/typing_practice.html";
-		else if(isTypingTestApp())
-			location.href = "../../web/client/typing_test.html";
-		else if(isTypingGameApp())
-			location.href = "../../web/client/" + this.getGameAppName() + ".html";
-		// else if(isMouseGameApp())
-		// 	location.href = "../../web/client/" + this.getGameAppName() + ".html";
-		else
-			location.href = "../../web/client/" + sessionStorageManager.getPlayingAppName() + ".html";
-		*/
 	}
 
 }
\ No newline at end of file
diff --git a/src/game/start/start.js b/src/game/start/start.js
index 8c72d2a..a640b45 100644
--- a/src/game/start/start.js
+++ b/src/game/start/start.js
@@ -163,18 +163,6 @@ var Start = {
 
 	startStage: function() {
 		location.href = "../../web/client/" + getGameAppName() + ".html";
-		/*
-		if(isTypingPracticeApp())
-			location.href = "../../web/client/typing_practice.html";
-		else if(isTypingTestApp())
-			location.href = "../../web/client/typing_test.html";
-		else if(isTypingGameApp())
-			location.href = "../../web/client/" + this.getGameAppName() + ".html";
-		// else if(isMouseGameApp())
-		// 	location.href = "../../web/client/" + this.getGameAppName() + ".html";
-		else
-			location.href = "../../web/client/" + sessionStorageManager.getPlayingAppName() + ".html";
-		*/
 	}
 
 }
\ No newline at end of file
diff --git a/src/game/typing/lib/hand.js b/src/game/typing/lib/hand.js
index f61a190..688b4d2 100644
--- a/src/game/typing/lib/hand.js
+++ b/src/game/typing/lib/hand.js
@@ -109,6 +109,16 @@ Hand.prototype.unhighlightOffFinger = function() {
 }
 
 
+Hand.loadResources = function() {
+	game.load.image('hand_palm',	'../../../resources/image/ui/hand_palm.png');
+	game.load.image('hand_thumb',	'../../../resources/image/ui/hand_thumb.png');
+	game.load.image('hand_index_finger',	'../../../resources/image/ui/hand_index_finger.png');
+	game.load.image('hand_middle_finger',	'../../../resources/image/ui/hand_middle_finger.png');
+	game.load.image('hand_little_finger',	'../../../resources/image/ui/hand_little_finger.png');
+	game.load.image('hand_ring_finger',	'../../../resources/image/ui/hand_ring_finger.png');
+}
+
+
 Hand.DEFAULT_Y_PX		= 540;	// 680;
 
 
@@ -260,4 +270,5 @@ RightHand.prototype.moveColumn = function(rowNo, key) {
 }
 
 
+
 RightHand.DEFAULT_X_PX	= 810;
\ No newline at end of file
diff --git a/src/game/typing/practice/loading.js b/src/game/typing/practice/loading.js
index 828d696..9bbbe44 100644
--- a/src/game/typing/practice/loading.js
+++ b/src/game/typing/practice/loading.js
@@ -1,14 +1,14 @@
 var Loading = {
 
 	preload: function() {
-		// this.game.load.image('loadingbar', './image/phaser.png');
+		// game.load.image('loadingbar', './image/phaser.png');
 	},
 
 	create: function() {
 		// var userID = sessionStorage.getItem("UserID");
 		// console.log("userID : " + userID);
 
-		// this.game.stage.backgroundColor = '#4d4d4d';
+		// game.stage.backgroundColor = '#4d4d4d';
 
 		// //	Progress report
   //   	this.textProgress = game.add.text(game.world.centerX, 100, '로딩중 . . .', textStyleBasic);
@@ -20,50 +20,44 @@ var Loading = {
 		// this.preloadBar.anchor.setTo(0.5);
 		// this.preloadBar.alpha = 0;
 
-		this.game.load.onFileComplete.add(this.fileComplete, this);
-		this.game.load.onLoadComplete.add(this.loadComplete, this);
+		game.load.onFileComplete.add(this.fileComplete, this);
+		game.load.onLoadComplete.add(this.loadComplete, this);
 
 		this.startLoading();
 	},
 
 	startLoading: function() {
-		this.game.load.image('icon_fullscreen',	'../../../resources/image/icon/fullscreen_white.png');
-
-		this.game.load.image('hand_palm',	'../../../resources/image/ui/hand_palm.png');
-		this.game.load.image('hand_thumb',	'../../../resources/image/ui/hand_thumb.png');
-		this.game.load.image('hand_index_finger',	'../../../resources/image/ui/hand_index_finger.png');
-		this.game.load.image('hand_middle_finger',	'../../../resources/image/ui/hand_middle_finger.png');
-		this.game.load.image('hand_little_finger',	'../../../resources/image/ui/hand_little_finger.png');
-		this.game.load.image('hand_ring_finger',	'../../../resources/image/ui/hand_ring_finger.png');
+		game.load.image('icon_fullscreen',	'../../../resources/image/icon/fullscreen_white.png');
 
+		Hand.loadResources();
 		Animal.loadResources();
 
 
-		// this.game.load.image('hand_left',	'../../../resources/image/ui/hand_left.png');
-		// this.game.load.image('hand_right',	'../../../resources/image/ui/hand_right.png');
-		// this.game.load.image('a', '../../../resources/image/icon/fullscreen_white.png');
-		// this.game.load.image('b', '../../../resources/image/icon/fullscreen_white.png');
-		// this.game.load.image('c', '../../../resources/image/icon/fullscreen_white.png');
-		// this.game.load.image('d', '../../../resources/image/icon/fullscreen_white.png');
-		// this.game.load.image('a', './image/phaser.png');
-		// this.game.load.image('b', './image/phaser.png');
-		// this.game.load.image('c', './image/phaser.png');
-		// this.game.load.image('d', './image/phaser.png');
-		// this.game.load.image('e', './image/phaser.png');
-		// this.game.load.image('g', './image/phaser.png');
-		// this.game.load.image('e', './image/phaser.png');
-		// this.game.load.image('f', './image/phaser.png');
-		// this.game.load.image('g', './image/phaser.png');
-		// this.game.load.image('h', './image/phaser.png');
+		// game.load.image('hand_left',	'../../../resources/image/ui/hand_left.png');
+		// game.load.image('hand_right',	'../../../resources/image/ui/hand_right.png');
+		// game.load.image('a', '../../../resources/image/icon/fullscreen_white.png');
+		// game.load.image('b', '../../../resources/image/icon/fullscreen_white.png');
+		// game.load.image('c', '../../../resources/image/icon/fullscreen_white.png');
+		// game.load.image('d', '../../../resources/image/icon/fullscreen_white.png');
+		// game.load.image('a', './image/phaser.png');
+		// game.load.image('b', './image/phaser.png');
+		// game.load.image('c', './image/phaser.png');
+		// game.load.image('d', './image/phaser.png');
+		// game.load.image('e', './image/phaser.png');
+		// game.load.image('g', './image/phaser.png');
+		// game.load.image('e', './image/phaser.png');
+		// game.load.image('f', './image/phaser.png');
+		// game.load.image('g', './image/phaser.png');
+		// game.load.image('h', './image/phaser.png');
 
-		// this.game.load.image('phaser', './image/phaser.png');
-		// this.game.load.spritesheet('button', './image/button_basic.png', 200, 100);
-		// this.game.load.image('star', './image/star_particle.png');
-		// this.game.load.image('medal_gold', './image/medal_gold.png');
-		// this.game.load.image('medal_silver', './image/medal_silver.png');
-		// this.game.load.image('medal_bronze', './image/medal_bronze.png');
+		// game.load.image('phaser', './image/phaser.png');
+		// game.load.spritesheet('button', './image/button_basic.png', 200, 100);
+		// game.load.image('star', './image/star_particle.png');
+		// game.load.image('medal_gold', './image/medal_gold.png');
+		// game.load.image('medal_silver', './image/medal_silver.png');
+		// game.load.image('medal_bronze', './image/medal_bronze.png');
 
-		this.game.load.start();
+		game.load.start();
 	},
 
 	fileComplete: function(progress, cacheKey, success, totalLoaded, totalFiles) {
diff --git a/src/game/typing/test/loading.js b/src/game/typing/test/loading.js
index 275a21d..ac982c3 100644
--- a/src/game/typing/test/loading.js
+++ b/src/game/typing/test/loading.js
@@ -1,14 +1,14 @@
 var Loading = {
 
 	preload: function() {
-		// this.game.load.image('loadingbar', './image/phaser.png');
+		// game.load.image('loadingbar', './image/phaser.png');
 	},
 
 	create: function() {
 		// var userID = sessionStorage.getItem("UserID");
 		// console.log("userID : " + userID);
 
-		// this.game.stage.backgroundColor = '#4d4d4d';
+		// game.stage.backgroundColor = '#4d4d4d';
 
 		// //	Progress report
   //   	this.textProgress = game.add.text(game.world.centerX, 100, '로딩중 . . .', textStyleBasic);
@@ -20,41 +20,41 @@ var Loading = {
 		// this.preloadBar.anchor.setTo(0.5);
 		// this.preloadBar.alpha = 0;
 
-		this.game.load.onFileComplete.add(this.fileComplete, this);
-		this.game.load.onLoadComplete.add(this.loadComplete, this);
+		game.load.onFileComplete.add(this.fileComplete, this);
+		game.load.onLoadComplete.add(this.loadComplete, this);
 
 		this.startLoading();
 	},
 
 	startLoading: function() {
-		this.game.load.image('icon_fullscreen',	'../../../resources/image/icon/fullscreen_white.png');
+		game.load.image('icon_fullscreen',	'../../../resources/image/icon/fullscreen_white.png');
 
 		Animal.loadResources();
 
 
-		// this.game.load.image('a', '../../../resources/image/icon/fullscreen_white.png');
-		// this.game.load.image('b', '../../../resources/image/icon/fullscreen_white.png');
-		// this.game.load.image('c', '../../../resources/image/icon/fullscreen_white.png');
-		// this.game.load.image('d', '../../../resources/image/icon/fullscreen_white.png');
-		// this.game.load.image('a', './image/phaser.png');
-		// this.game.load.image('b', './image/phaser.png');
-		// this.game.load.image('c', './image/phaser.png');
-		// this.game.load.image('d', './image/phaser.png');
-		// this.game.load.image('e', './image/phaser.png');
-		// this.game.load.image('g', './image/phaser.png');
-		// this.game.load.image('e', './image/phaser.png');
-		// this.game.load.image('f', './image/phaser.png');
-		// this.game.load.image('g', './image/phaser.png');
-		// this.game.load.image('h', './image/phaser.png');
+		// game.load.image('a', '../../../resources/image/icon/fullscreen_white.png');
+		// game.load.image('b', '../../../resources/image/icon/fullscreen_white.png');
+		// game.load.image('c', '../../../resources/image/icon/fullscreen_white.png');
+		// game.load.image('d', '../../../resources/image/icon/fullscreen_white.png');
+		// game.load.image('a', './image/phaser.png');
+		// game.load.image('b', './image/phaser.png');
+		// game.load.image('c', './image/phaser.png');
+		// game.load.image('d', './image/phaser.png');
+		// game.load.image('e', './image/phaser.png');
+		// game.load.image('g', './image/phaser.png');
+		// game.load.image('e', './image/phaser.png');
+		// game.load.image('f', './image/phaser.png');
+		// game.load.image('g', './image/phaser.png');
+		// game.load.image('h', './image/phaser.png');
 
-		// this.game.load.image('phaser', './image/phaser.png');
-		// this.game.load.spritesheet('button', './image/button_basic.png', 200, 100);
-		// this.game.load.image('star', './image/star_particle.png');
-		// this.game.load.image('medal_gold', './image/medal_gold.png');
-		// this.game.load.image('medal_silver', './image/medal_silver.png');
-		// this.game.load.image('medal_bronze', './image/medal_bronze.png');
+		// game.load.image('phaser', './image/phaser.png');
+		// game.load.spritesheet('button', './image/button_basic.png', 200, 100);
+		// game.load.image('star', './image/star_particle.png');
+		// game.load.image('medal_gold', './image/medal_gold.png');
+		// game.load.image('medal_silver', './image/medal_silver.png');
+		// game.load.image('medal_bronze', './image/medal_bronze.png');
 
-		this.game.load.start();
+		game.load.start();
 	},
 
 	fileComplete: function(progress, cacheKey, success, totalLoaded, totalFiles) {
diff --git a/src/game/typing/whac_a_mole/game.js b/src/game/typing/whac_a_mole/game.js
index 03b849e..25ccb6f 100644
--- a/src/game/typing/whac_a_mole/game.js
+++ b/src/game/typing/whac_a_mole/game.js
@@ -161,24 +161,17 @@ var TypingPractice = {
 	},
 
 	initTypingData: function() {
-		var typingTextMan = new TypingTextManager();
-
-		var typingPracticeContents = this.loadLetters();
-		// console.log(typingPracticeContents);
-		// typingTextMan.makePracticeContents(typingPracticeContents, 30);
-		// this.typingRandomContents = typingTextMan.getContents();
-		this.typingRandomContents = typingPracticeContents;
-		// console.log(this.typingRandomContents);
-		this.typingContentLength = this.typingRandomContents.length;
+		this.typingRandomLetters = this.loadLetters();
+		// console.log(this.typingRandomLetters);
+		this.typingRandomLettersLength = this.typingRandomLetters.length;
 		this.typingIndex = 0;
 	},
 
 
 	shuffleLettetFollowingFKey: function(wordList) {
-		var typingTextMan = new TypingTextManager();
+		var shuffleLetters = TypingTextManager.shuffledArray(wordList);
 
 		var letters = [];
-		var shuffleLetters = typingTextMan.getShuffledArray(wordList);
 		for(var i = 0; i < shuffleLetters.length; i++) {
 			if(isKoreanTypingApp())
 				letters.push("ㄹ");
@@ -192,10 +185,9 @@ var TypingPractice = {
 	},
 
 	shuffleLettetFollowingJKey: function(wordList) {
-		var typingTextMan = new TypingTextManager();
+		var shuffleLetters = TypingTextManager.shuffledArray(wordList);
 
 		var letters = [];
-		var shuffleLetters = typingTextMan.getShuffledArray(wordList);
 		for(var i = 0; i < shuffleLetters.length; i++) {
 			letters.push(shuffleLetters[i]);
 
@@ -223,10 +215,9 @@ var TypingPractice = {
 	},
 
 	shuffleLettetFollowingFJKey: function(wordList) {
-		// var typingTextMan = new TypingTextManager();
+		var shuffleLetters = TypingTextManager.shuffledArray(wordList);
 
 		var letters = [];
-		var shuffleLetters = TypingTextManager.shuffledArray(wordList);
 		for(var i = 0; i < shuffleLetters.length; i++) {
 			if(this.isLeftHandLetter(shuffleLetters[i])) {
 				letters.push(shuffleLetters[i]);
@@ -266,7 +257,7 @@ var TypingPractice = {
 			allLetters = allLetters.concat(englishLeftUpperWordList);
 			allLetters = allLetters.concat(englishRightUpperWordList);
 			allLetters = allLetters.concat(englishLeftLowerWordList);
-			allLetters = allLetters.concat(["m");	// englishRightLowerWordList);
+			allLetters = allLetters.concat(["m"]);	// englishRightLowerWordList);
 			allLetters = allLetters.concat(englishSecondFingerWordList);
 		}
 
@@ -278,14 +269,16 @@ var TypingPractice = {
 		var letters = [];
 
 		if(isKoreanTypingApp()) {
-			letters = letters.concat(["ㄹ", "ㅓ"]);
+			letters = letters.concat(["ㄹ", "ㅓ", "ㄹ", "ㅓ", "ㄹ", "ㅓ"]);
 			letters = letters.concat(this.shuffleLettetFollowingJKey(koreanBasicLeftWordList));
 			letters = letters.concat(this.shuffleLettetFollowingFKey(koreanBasicRightWordList));
 
+			letters = letters.concat(["ㄹ", "ㅓ", "ㄹ", "ㅓ", "ㄹ", "ㅓ"]);
 			letters = letters.concat(this.shuffleLettetFollowingJKey(koreanLeftUpperWordList));
 			letters = letters.concat(this.shuffleLettetFollowingFKey(koreanRightUpperWordList));
 			letters = letters.concat(this.shuffleLettetFollowingJKey(koreanLeftLowerWordList));
 
+			letters = letters.concat(["ㄹ", "ㅓ", "ㄹ", "ㅓ", "ㄹ", "ㅓ"]);
 			// letters = letters.concat(this.shuffleLettetFollowingFKey(koreanRightLowerWordList));
 			letters = letters.concat(this.shuffleLettetFollowingFJKey(koreanSecondFingerWordList.concat("ㅡ")));
 
@@ -298,14 +291,16 @@ var TypingPractice = {
 			}
 		}
 		else {	// isEnglishTypingApp
-			letters = letters.concat(["f", "j"]);
+			letters = letters.concat(["f", "j", "f", "j", "f", "j"]);
 			letters = letters.concat(this.shuffleLettetFollowingJKey(englishBasicLeftWordList));
 			letters = letters.concat(this.shuffleLettetFollowingFKey(englishBasicRightWordList));
 
+			letters = letters.concat(["f", "j", "f", "j", "f", "j"]);
 			letters = letters.concat(this.shuffleLettetFollowingJKey(englishLeftUpperWordList));
 			letters = letters.concat(this.shuffleLettetFollowingFKey(englishRightUpperWordList));
 			letters = letters.concat(this.shuffleLettetFollowingJKey(englishLeftLowerWordList));
 
+			letters = letters.concat(["f", "j", "f", "j", "f", "j"]);
 			// letters = letters.concat(this.shuffleLettetFollowingFKey(englishRightLowerWordList));
 			letters = letters.concat(this.shuffleLettetFollowingFJKey(englishSecondFingerWordList.concat("m")));
 
@@ -317,8 +312,7 @@ var TypingPractice = {
 				letters = letters.concat(this.suffleAllLetters());
 			}
 		}
-
-		console.log(letters);
+		// console.log(letters);
 
 		return letters;
 	},
@@ -329,28 +323,28 @@ var TypingPractice = {
 			if(doneIndex < 0) {
 				this.textTypingContentsDone[i].text = "";
 			} else {
-				this.textTypingContentsDone[i].text = this.typingRandomContents[doneIndex];
+				this.textTypingContentsDone[i].text = this.typingRandomLetters[doneIndex];
 			}
 		}
 
-		if(this.typingIndex == this.typingContentLength) {
+		if(this.typingIndex == this.typingRandomLettersLength) {
 			this.textTypingContent.text = "";
 			return;
 		}
 
-		this.textTypingContent.text = this.typingRandomContents[this.typingIndex];
+		this.textTypingContent.text = this.typingRandomLetters[this.typingIndex];
 
 		for(var i = 0; i < TypingPractice.TYPING_CONTENT_PREVIEW_COUNT; i++) {
 			var previewIndex = this.typingIndex + i + 1;
-			if(previewIndex < this.typingRandomContents.length)
-				this.textTypingContentPreview[i].text = this.typingRandomContents[previewIndex];
+			if(previewIndex < this.typingRandomLetters.length)
+				this.textTypingContentPreview[i].text = this.typingRandomLetters[previewIndex];
 			else
 				this.textTypingContentPreview[i].text = "";
 		}
 	},
 
 	hideHighlightKey: function() {
-		var prevText = this.typingRandomContents[this.typingIndex];
+		var prevText = this.typingRandomLetters[this.typingIndex];
 		if(prevText === undefined)
 			return;
 
@@ -358,7 +352,7 @@ var TypingPractice = {
 	},
 
 	showHighlightKey: function() {
-		var typingText = this.typingRandomContents[this.typingIndex];
+		var typingText = this.typingRandomLetters[this.typingIndex];
 		if(typingText === undefined)
 			return;
 
@@ -387,7 +381,7 @@ var TypingPractice = {
 
 	checkTypingContents: function(evnet) {
 		var inputContent = event.key;
-		var typingContent = this.typingRandomContents[this.typingIndex];
+		var typingContent = this.typingRandomLetters[this.typingIndex];
 
 		if(this.isKeyPressed(inputContent, typingContent)) {
 			// this.typingScore.increase();
@@ -395,7 +389,7 @@ var TypingPractice = {
 
 			this.playNextContent();
 
-			if(this.typingIndex === this.typingContentLength) {
+			if(this.typingIndex === this.typingRandomLettersLength) {
 				// this.goResult();
 			}
 		} else {
diff --git a/src/game/typing/whac_a_mole/loading.js b/src/game/typing/whac_a_mole/loading.js
index 828d696..16ace8a 100644
--- a/src/game/typing/whac_a_mole/loading.js
+++ b/src/game/typing/whac_a_mole/loading.js
@@ -1,14 +1,14 @@
 var Loading = {
 
 	preload: function() {
-		// this.game.load.image('loadingbar', './image/phaser.png');
+		// game.load.image('loadingbar', './image/phaser.png');
 	},
 
 	create: function() {
 		// var userID = sessionStorage.getItem("UserID");
 		// console.log("userID : " + userID);
 
-		// this.game.stage.backgroundColor = '#4d4d4d';
+		// game.stage.backgroundColor = '#4d4d4d';
 
 		// //	Progress report
   //   	this.textProgress = game.add.text(game.world.centerX, 100, '로딩중 . . .', textStyleBasic);
@@ -20,50 +20,44 @@ var Loading = {
 		// this.preloadBar.anchor.setTo(0.5);
 		// this.preloadBar.alpha = 0;
 
-		this.game.load.onFileComplete.add(this.fileComplete, this);
-		this.game.load.onLoadComplete.add(this.loadComplete, this);
+		game.load.onFileComplete.add(this.fileComplete, this);
+		game.load.onLoadComplete.add(this.loadComplete, this);
 
 		this.startLoading();
 	},
 
 	startLoading: function() {
-		this.game.load.image('icon_fullscreen',	'../../../resources/image/icon/fullscreen_white.png');
+		game.load.image('icon_fullscreen',	'../../../resources/image/icon/fullscreen_white.png');
 
-		this.game.load.image('hand_palm',	'../../../resources/image/ui/hand_palm.png');
-		this.game.load.image('hand_thumb',	'../../../resources/image/ui/hand_thumb.png');
-		this.game.load.image('hand_index_finger',	'../../../resources/image/ui/hand_index_finger.png');
-		this.game.load.image('hand_middle_finger',	'../../../resources/image/ui/hand_middle_finger.png');
-		this.game.load.image('hand_little_finger',	'../../../resources/image/ui/hand_little_finger.png');
-		this.game.load.image('hand_ring_finger',	'../../../resources/image/ui/hand_ring_finger.png');
-
-		Animal.loadResources();
+		// Hand.loadResources();
+		// Animal.loadResources();
 
 
-		// this.game.load.image('hand_left',	'../../../resources/image/ui/hand_left.png');
-		// this.game.load.image('hand_right',	'../../../resources/image/ui/hand_right.png');
-		// this.game.load.image('a', '../../../resources/image/icon/fullscreen_white.png');
-		// this.game.load.image('b', '../../../resources/image/icon/fullscreen_white.png');
-		// this.game.load.image('c', '../../../resources/image/icon/fullscreen_white.png');
-		// this.game.load.image('d', '../../../resources/image/icon/fullscreen_white.png');
-		// this.game.load.image('a', './image/phaser.png');
-		// this.game.load.image('b', './image/phaser.png');
-		// this.game.load.image('c', './image/phaser.png');
-		// this.game.load.image('d', './image/phaser.png');
-		// this.game.load.image('e', './image/phaser.png');
-		// this.game.load.image('g', './image/phaser.png');
-		// this.game.load.image('e', './image/phaser.png');
-		// this.game.load.image('f', './image/phaser.png');
-		// this.game.load.image('g', './image/phaser.png');
-		// this.game.load.image('h', './image/phaser.png');
+		// game.load.image('hand_left',	'../../../resources/image/ui/hand_left.png');
+		// game.load.image('hand_right',	'../../../resources/image/ui/hand_right.png');
+		// game.load.image('a', '../../../resources/image/icon/fullscreen_white.png');
+		// game.load.image('b', '../../../resources/image/icon/fullscreen_white.png');
+		// game.load.image('c', '../../../resources/image/icon/fullscreen_white.png');
+		// game.load.image('d', '../../../resources/image/icon/fullscreen_white.png');
+		// game.load.image('a', './image/phaser.png');
+		// game.load.image('b', './image/phaser.png');
+		// game.load.image('c', './image/phaser.png');
+		// game.load.image('d', './image/phaser.png');
+		// game.load.image('e', './image/phaser.png');
+		// game.load.image('g', './image/phaser.png');
+		// game.load.image('e', './image/phaser.png');
+		// game.load.image('f', './image/phaser.png');
+		// game.load.image('g', './image/phaser.png');
+		// game.load.image('h', './image/phaser.png');
 
-		// this.game.load.image('phaser', './image/phaser.png');
-		// this.game.load.spritesheet('button', './image/button_basic.png', 200, 100);
-		// this.game.load.image('star', './image/star_particle.png');
-		// this.game.load.image('medal_gold', './image/medal_gold.png');
-		// this.game.load.image('medal_silver', './image/medal_silver.png');
-		// this.game.load.image('medal_bronze', './image/medal_bronze.png');
+		// game.load.image('phaser', './image/phaser.png');
+		// game.load.spritesheet('button', './image/button_basic.png', 200, 100);
+		// game.load.image('star', './image/star_particle.png');
+		// game.load.image('medal_gold', './image/medal_gold.png');
+		// game.load.image('medal_silver', './image/medal_silver.png');
+		// game.load.image('medal_bronze', './image/medal_bronze.png');
 
-		this.game.load.start();
+		game.load.start();
 	},
 
 	fileComplete: function(progress, cacheKey, success, totalLoaded, totalFiles) {