diff --git a/src/game/typing/word_flyingsaucer/flyingsaucer.js b/src/game/typing/word_flyingsaucer/flyingsaucer.js
index 5ae505c..987a10c 100644
--- a/src/game/typing/word_flyingsaucer/flyingsaucer.js
+++ b/src/game/typing/word_flyingsaucer/flyingsaucer.js
@@ -266,7 +266,7 @@ FlyingSaucer.prototype.explode = function(inputText) {
 	this.explodeEmitter.y = this.y;
 	this.explodeEmitter.start(true, 1000, null, 100);
 
-	var randomDelayTime = Phaser.Timer.SECOND + Math.random() * Phaser.Timer.SECOND;
+	var randomDelayTime = Phaser.Timer.SECOND / 2 + Math.random() * Phaser.Timer.SECOND * 3;
 	this.timerEvent = game.time.events.add(randomDelayTime, this.startAttack, this);
 }
 
diff --git a/src/game/typing/word_flyingsaucer/game_level_manager.js b/src/game/typing/word_flyingsaucer/game_level_manager.js
index 3c7b2a4..cac858f 100644
--- a/src/game/typing/word_flyingsaucer/game_level_manager.js
+++ b/src/game/typing/word_flyingsaucer/game_level_manager.js
@@ -1,7 +1,7 @@
 function GameLevelManager() {
 	this.wordLevel = 0;
 
-	this.clearedWordCountForLevel = [0, 0, 0, 0, 0];
+	this.clearedWordCountForLevel = [0, 0, 0, 0, 0, 0];
 
 	this.difficultyForLevelList = [];
 	for(var i = 0; i < GameLevelManager.MAX_WORD_LEVEL; i++)
@@ -24,27 +24,27 @@ GameLevelManager.prototype.getStandardScore = function(wordLevel, speed) {
 
 GameLevelManager.prototype.clearWord = function(wordLevel, landingRatio) {
 	// console.log("====");
-	// for(var i = 0; i < this.difficultyForLevelList.length; i++) {
+	// for(var i = 0; i < GameLevelManager.MAX_WORD_LEVEL; i++) {
 	// 	console.log("difficultyForLevelList[" + i + "] : " + this.difficultyForLevelList[i]);
 	// }
 
-	console.log("wordLevel : " + wordLevel);
-	console.log("landingRatio : " + landingRatio);
+	// console.log("wordLevel : " + wordLevel);
+	// console.log("landingRatio : " + landingRatio);
 
 	this.increaseClearedWordCountForLevel(wordLevel);
 
 	if(this.wordLevel == GameLevelManager.MAX_WORD_LEVEL) {
-		console.log("*** no more higher word level");
+		// console.log("*** no more higher word level");
 		return;
 	}
 
 	if(wordLevel < this.wordLevel) {
-		console.log("*** already goNextLevel");
+		// console.log("*** already goNextLevel");
 		return;
 	}
 
 	if(landingRatio < GameLevelManager.LEVEL_UP_LANDING_RATIO) {
-		console.log("*** not enough ratio");
+		// console.log("*** not enough ratio");
 		return;
 	}
 
@@ -55,13 +55,13 @@ GameLevelManager.prototype.increaseClearedWordCountForLevel = function(wordLevel
 	this.clearedWordCountForLevel[wordLevel] += 1;
 
 	// console.log("====");
-	// for(var i = 0; i < this.clearedWordCountForLevel.length; i++) {
+	// for(var i = 0; i < GameLevelManager.MAX_WORD_LEVEL; i++) {
 	// 	console.log("clearedWordCountForLevel[" + i + "] : " + this.clearedWordCountForLevel[i]);
 	// }
 
 	var difficulty = this.difficultyForLevelList[wordLevel];
 	var clearedWordCount = this.clearedWordCountForLevel[wordLevel];
-	var clearedWordCountForNextLevel = GameLevelManager.CLEARED_WORD_COUNT_FOR_NEXT_LEVEL[difficulty];
+	var clearedWordCountForNextLevel = GameLevelManager.CLEARED_WORD_COUNT_FOR_NEXT_LEVEL[wordLevel];
 
 	// console.log("=============");
 	// console.log("difficulty : " + difficulty);
@@ -72,13 +72,13 @@ GameLevelManager.prototype.increaseClearedWordCountForLevel = function(wordLevel
 		&& clearedWordCount >= clearedWordCountForNextLevel) {
 
 		this.difficultyForLevelList[wordLevel] = ExtractWordManager.DIFFICULTY_HARD;
-		console.log("level[" + wordLevel + "] : difficulty -> HARD");
+		// console.log("level[" + wordLevel + "] : difficulty -> HARD");
 	}
 }
 
 GameLevelManager.prototype.goNextWordLevel = function() {
 	this.wordLevel++;
-	console.log("goNextWordLevel to " + this.wordLevel);
+	// console.log("goNextWordLevel to " + this.wordLevel);
 }
 
 
@@ -87,7 +87,7 @@ GameLevelManager.WARNING_LANDING_RATIO			= 0.1;
 
 GameLevelManager.MAX_WORD_LEVEL		= 6;
 
-GameLevelManager.CLEARED_WORD_COUNT_FOR_NEXT_LEVEL		= [5, 6, 7, 8, 9, 10];
+GameLevelManager.CLEARED_WORD_COUNT_FOR_NEXT_LEVEL		= [15, 12, 10, 9, 8, 7];
 
-GameLevelManager.KOREAN_WORD_LENGTH		= [2, 3];
-GameLevelManager.ENGLISH_WORD_LENGTH	= [3, 6];;
\ No newline at end of file
+// GameLevelManager.KOREAN_WORD_LENGTH		= [2, 3];
+// GameLevelManager.ENGLISH_WORD_LENGTH	= [3, 6];;
\ No newline at end of file