diff -ruN a/Engine/Globals.js b/Engine/Globals.js
--- a/Engine/Globals.js
+++ b/Engine/Globals.js
@@ -81,12 +81,12 @@
     try {
         // if we have local storage, show the punchlines in order. Otherwise, randomize
         if (localStorageSupported()) {
-            if (localStorage["punchlineIdx"] == undefined || isNaN(localStorage["punchlineIdx"]))
-                localStorage["punchlineIdx"] = 0;
+            if (localStorage["castleDefense.punchlineIdx"] == undefined || isNaN(localStorage["castleDefense.punchlineIdx"]))
+                localStorage["castleDefense.punchlineIdx"] = 0;
 
-            punchlineIdx = localStorage["punchlineIdx"];
+            punchlineIdx = localStorage["castleDefense.punchlineIdx"];
 
-            localStorage["punchlineIdx"] = (parseInt(localStorage["punchlineIdx"]) + 1) % PUNCHLINES.length;
+            localStorage["castleDefense.punchlineIdx"] = (parseInt(localStorage["castleDefense.punchlineIdx"]) + 1) % PUNCHLINES.length;
         }
         else
             punchlineIdx = Math.floor(Math.random() * PUNCHLINES.length);
diff -ruN a/Engine/Highscore.js b/Engine/Highscore.js
--- a/Engine/Highscore.js
+++ b/Engine/Highscore.js
@@ -19,10 +19,10 @@
 loadHighscore = function () {
     if (localStorageSupported()) {
         try {
-            if (localStorage["topScore"] == undefined || isNaN(localStorage["topScore"]))
-                localStorage["topScore"] = 0;
+            if (localStorage["castleDefense.topScore"] == undefined || isNaN(localStorage["castleDefense.topScore"]))
+                localStorage["castleDefense.topScore"] = 0;
 
-            profile.topScore = parseInt(localStorage["topScore"]);
+            profile.topScore = parseInt(localStorage["castleDefense.topScore"]);
         }
         catch (e) {
             profile.topScore = 0;
@@ -37,11 +37,11 @@
 
     if (localStorageSupported()) {
         try {
-            if (localStorage["topScore"] == undefined || isNaN(localStorage["topScore"]))
-                localStorage["topScore"] = 0;
+            if (localStorage["castleDefense.topScore"] == undefined || isNaN(localStorage["castleDefense.topScore"]))
+                localStorage["castleDefense.topScore"] = 0;
 
-            if (parseInt(localStorage["topScore"]) < profile.score)
-                localStorage["topScore"] = profile.score;
+            if (parseInt(localStorage["castleDefense.topScore"]) < profile.score)
+                localStorage["castleDefense.topScore"] = profile.score;
         }
         catch (e) {
         }