diff --git a/sketch.js b/sketch.js
index 275c5c6..45ffea7 100644
--- a/sketch.js
+++ b/sketch.js
@@ -1,15 +1,15 @@
 var floorPos_y;
 var cameraPosX;
 var camera_speed;
-var processStop_timer;
 var fps_recent_values = [];
-var death_timer;
 var showDebugData = false;
 var debug_charTrace = [];
 var shadows_enabled = true;
-
+var text_size;
+// Variables to set colors. Set in setup()
+var palette;
 var gameChar;
-
+var flagpole;
 var gravity;
 var game_score;
 var finish_position_x;
@@ -21,7 +21,6 @@ var collectables = [];
 var rivers = [];
 var platforms = [];
 var enemies = [];
-var flagpole;
 
 function GameCharacter() {
     this.x = width / 2;
@@ -44,6 +43,7 @@ function GameCharacter() {
     this.curGroundIndex = 0;
     this.memorizedPlatform;
     this.invincibility_time = 0;
+    this.death_timer;
 
     this._updateSprite = function () {
         if (this.isPlummeting) {
@@ -274,10 +274,10 @@ function GameCharacter() {
         gameChar.invincibility_time += 180;
     };
     this._checkPlayerDie = function () {
-        if (frameCount - death_timer > 60) {
+        if (frameCount - this.death_timer > 60) {
             if (this.curLives > 1) {
                 this.curLives--;
-                death_timer = undefined;
+                this.death_timer = undefined;
                 startGame();
             } else if (this.curLives == 1) {
                 this.curLives--;
@@ -348,7 +348,7 @@ function GameCharacter() {
         if (this.isPlummeting) {
             // using OR operator to set to frameCount in case death_timer is undefined,
             // but not updating the death_timer again in case it is not undefined.
-            death_timer = death_timer || frameCount;
+            this.death_timer = this.death_timer || frameCount;
             this.y += 3;
         }
     };
@@ -484,11 +484,6 @@ function Enemy(curGroundIndex, x, y, size) {
         this.y = this.y + cos((frameCount / random(10, 20)) * random(0.5, 10));
     };
 }
-
-var text_size;
-// Variables to set colors. Set in setup()
-var palette;
-
 function setup() {
     createCanvas(1024, 576);
     palette = {