diff --git a/js/achievements.js b/js/achievements.js
index 76ad333..5b1674f 100644
--- a/js/achievements.js
+++ b/js/achievements.js
@@ -4,7 +4,7 @@ var achievements =
     listSpecial: [],
     listSummary: [],
 
-    startTime: new Date(),
+    startTime: new Date().getTime(),
 
     count:
     {
@@ -50,6 +50,11 @@ var achievements =
         });
     },
 
+    restore: function()
+    {
+        achievements = $.extend({}, achievements, ObjectStorage.load('achievements'));
+    },
+
     addWorkers: function(list)
     {
         for (var i = 0; i < list.length; i++) {
@@ -104,7 +109,7 @@ var achievements =
             achievements.list[i].alerted = true;
 
             var a = $.extend(true, {}, achievements.list[i]);
-            a.time = achievements.timeFormatter(new Date().getTime() - achievements.startTime.getTime());
+            a.time = achievements.timeFormatter(new Date().getTime() - achievements.startTime);
             achievements.listSummary.push(a);
         }
     },
diff --git a/js/game.js b/js/game.js
index d894d5c..d21543f 100644
--- a/js/game.js
+++ b/js/game.js
@@ -94,13 +94,14 @@
     }
   });
 
+  achievements.setList(Helpers.loadFile('json/achievements.json'));
+  achievements.restore();
+
   app.controller('AchievementsController', function() {
     this.achievements = achievements.listSummary;
     this.achievementsAll = achievements.list;
   });
 
-  achievements.setList(Helpers.loadFile('json/achievements.json'));
-
   // Activate auto-saving every 10 seconds
   setInterval(function () {
     GameObjects.saveAll();
diff --git a/js/gameobjects.js b/js/gameobjects.js
index c0c8556..bbf8fc7 100644
--- a/js/gameobjects.js
+++ b/js/gameobjects.js
@@ -175,6 +175,7 @@ var GameObjects = (function() {
     ObjectStorage.save('research', research);
     ObjectStorage.save('workers', workers);
     ObjectStorage.save('upgrades', upgrades);
+    ObjectStorage.save('achievements', achievements);
   };
 
   return {
diff --git a/js/storage.js b/js/storage.js
index 8057188..09a8255 100644
--- a/js/storage.js
+++ b/js/storage.js
@@ -8,7 +8,12 @@ var ObjectStorage = (function() {
     var _s = localStorage;
     return {
       save: function(key, item) {
-        _s.setItem(key, JSON.stringify(item));
+        _s.setItem(key, JSON.stringify(item, function (key, val) {
+          if (key == '$$hashKey') {
+            return undefined;
+          }
+          return val;
+        }));
       },
       load: function(key) {
         return JSON.parse(_s.getItem(key));