diff --git a/src/game/mouse/one_to_fifty/chocoball.js b/src/game/mouse/one_to_fifty/chocoball.js
index 1f76d64..08a1337 100644
--- a/src/game/mouse/one_to_fifty/chocoball.js
+++ b/src/game/mouse/one_to_fifty/chocoball.js
@@ -118,9 +118,9 @@ Chocoball.FONT_STYLE = {
 	font: "50px Arial",
 	boundsAlignH: "center",		// left, center. right
 	boundsAlignV: "middle", 	// top, middle, bottom
-	fill: "#fff",
+	fill: "rgba(255, 255, 255, 0.9)",	// "#fff",
 	fontWeight: "bold",
-	stroke: "rgba(0, 0, 0, 0.5)", // "#333", // "#000",
+	stroke: "rgba(0, 0, 0, 0.3)", // "#333", // "#000",
 	strokeThickness: 12,
 	align: "center"
 };
@@ -131,11 +131,11 @@ Chocoball.DEFAULT_STROKE_WIDTH_PX		= 5;	// in pixel
 Chocoball.RADIUS		= 90;
 
 Chocoball.COLOR_BLACK		= 0x553333;
-Chocoball.COLOR_1_TO_10		= 0x3355ff;
-Chocoball.COLOR_11_TO_20	= 0xff5533;
-Chocoball.COLOR_21_TO_30	= 0x33ff55;
-Chocoball.COLOR_31_TO_40	= 0xffff33;
-Chocoball.COLOR_41_TO_50	= 0x33ffff;
+Chocoball.COLOR_1_TO_10		= 0x0090ff;	// blue
+Chocoball.COLOR_11_TO_20	= 0xff2000;	// red
+Chocoball.COLOR_21_TO_30	= 0x00ff30;	// green
+Chocoball.COLOR_31_TO_40	= 0xffff33;	// yellow
+Chocoball.COLOR_41_TO_50	= 0x33ffff;	// 
 
 Chocoball.MODE_EASY			= 0;
 Chocoball.MODE_DIFFICULT	= 1;
\ No newline at end of file
diff --git a/src/game/mouse/one_to_fifty/game.js b/src/game/mouse/one_to_fifty/game.js
index 79c5381..8b2f9c8 100644
--- a/src/game/mouse/one_to_fifty/game.js
+++ b/src/game/mouse/one_to_fifty/game.js
@@ -52,6 +52,8 @@ var Game = {
 		this.nextNumber = 1;
 
 		this.difficulty = Chocoball.MODE_DIFFICULT;
+		// this.difficulty = Chocoball.MODE_EASY;
+
 		// if previous record is over 60 sec, play easy mode
 		var prevRecord = sessionStorageManager.getRecord()
 		// console.log(prevRecord);
@@ -138,17 +140,18 @@ var Game = {
 	onClickChocoball: function(chocoball) {
 		// console.log(chocoball.index);
 		// console.log(chocoball.number);
+		if(chocoball.number != this.nextNumber) {
+			console.log("wrong");
+			this.god.animateAngry();
+			return;
+		}
+
 		if(chocoball.number == 50) {
 			// console.log("game clear");
 			chocoball.setVisible(false);
 			this.gameClear();
 			return;
 		}
-		if(chocoball.number != this.nextNumber) {
-			console.log("wrong");
-			this.god.animateAngry();
-			return;
-		}
 
 		// clicked correct number
 		if(chocoball.number == 1)