===================================================================
--- original.js
+++ change.js
@@ -52,9 +52,9 @@
 
 /**** 
 * Game Code
 ****/ 
-var player = game.addChild(new Player());
+var player = game.addChild(new Player('player'));
 player.x = 1024; // Center horizontally
 player.y = 2500; // Near bottom
 var zombies = [];
 var bullets = [];
@@ -116,8 +116,19 @@
 				zombies.splice(z, 1);
 				score += 1;
 				LK.setScore(score);
 				scoreTxt.setText(score.toString());
+				if (score === 10) {
+					player.destroy();
+					player = game.addChild(new Player('playerType2'));
+					player.x = 1024; // Center horizontally
+					player.y = 2500; // Near bottom
+				} else if (score === 20) {
+					player.destroy();
+					player = game.addChild(new Player('playerType3'));
+					player.x = 1024; // Center horizontally
+					player.y = 2500; // Near bottom
+				}
 				break;
 			}
 		}
 	}