diff --git a/index.html b/index.html
index bd5765e..c7b1312 100644
--- a/index.html
+++ b/index.html
@@ -7,6 +7,7 @@
 <script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/angularjs/1.3.7/angular.min.js"></script>
 <link href="//maxcdn.bootstrapcdn.com/font-awesome/4.2.0/css/font-awesome.min.css" rel="stylesheet">
 
+<script type="text/javascript" src="js/level-data-service.js"></script>
 <script type="text/javascript" src="js/pexeso-controller.js"></script>
 <link rel="stylesheet" href="css/pexeso.css" type="text/css" />
 
@@ -66,8 +67,8 @@
             </flippy-front>
     
             <flippy-back>
-                <span class="cardHelper"></span><img ng-src="img/cards/{{card.cardId}}.png" ng-show="card.cardType == 'picture'">
-                <div ng-hide="card.cardType == 'picture'">{{card.card['en-US']}}</div>
+                <span class="cardHelper" ng-show="card.cardType == 'picture'"></span><img ng-src="img/cards/{{card.image}}.png" ng-show="card.cardType == 'picture'">
+                <div ng-hide="card.cardType == 'picture'">{{card.label}}</div>
             </flippy-back>
             
     
diff --git a/js/level-data-service.js b/js/level-data-service.js
new file mode 100644
index 0000000..392b9c6
--- /dev/null
+++ b/js/level-data-service.js
@@ -0,0 +1,122 @@
+
+var basicCards = {
+    'cherry' : {
+        'cs-CZ': 'třešnička',
+        'en-US': 'cherry',
+        'sk-SK': 'čerešňa'
+    },
+    'cheese' : {
+        'cs-CZ': 'sýr',
+        'en-US': 'cheese',
+        'sk-SK': 'syr'
+    },
+    'carrot' : {
+        'cs-CZ': 'mrkev',
+        'en-US': 'carrot',
+        'sk-SK': 'mrkva'
+    }, 
+    'dwarf': {
+        'cs-CZ': 'trpaslík',
+        'en-US': 'dwarf',
+        'sk-SK': 'trpaslík'
+    },
+    'barrel': {
+        'cs-CZ': 'sud',
+        'en-US': 'barrel',
+        'sk-SK': 'sud'
+    },
+    'butterfly': {
+        'cs-CZ': 'motýl',
+        'en-US': 'butterfly',
+        'sk-SK': 'motýľ'
+    },
+    'ghost': {
+        'cs-CZ': 'duch',
+        'en-US': 'ghost',
+        'sk-SK': 'duch'
+    },
+    'rose': {
+        'cs-CZ': 'růže',
+        'en-US': 'rose',
+        'sk-SK': 'ruža'
+    },
+    'sun': {
+        'cs-CZ': 'slunce',
+        'en-US': 'sun',
+        'sk-SK': 'slnko'
+    },
+    'cloud': {
+        'cs-CZ': 'oblak',
+        'en-US': 'cloud',
+        'sk-SK': 'oblak'
+    }
+};
+    
+var mathCards = {
+    'zero': {
+        'arabic': '0',
+        'roman': 'nulla',
+        'math': '1-1',
+        'japanese': '〇'
+    },
+    'one': {
+        'arabic': '1',
+        'roman': 'I',
+        'math': '4/4',
+        'japanese': '一'
+    }, 
+    'two': {
+        'arabic': '2',
+        'roman': 'II',
+        'math': '1+1',
+        'japanese': '二'
+    }, 
+    'three':{
+        'arabic': '3',
+        'roman': 'III',
+        'math': '1+2',
+        'japanese': '三'
+    },
+    'four': {
+        'arabic': '4',
+        'roman': 'IV',
+        'math': '2*2',
+        'japanese': '四'
+    },
+    'five': {
+        'arabic': '5',
+        'roman': 'V',
+        'math': '8-3',
+        'japanese': '五'
+    }, 
+    'six': {
+        'arabic': '6',
+        'roman': 'VI',
+        'math': '2*3',
+        'japanese': '六'
+    },
+    'seven': {
+        'arabic': '7',
+        'roman': 'VII',
+        'math': '4+3',
+        'japanese': '七'
+    },
+    'eight': {
+        'arabic': '8',
+        'roman': 'VIII',
+        'math': '2*4',
+        'japanese': '八'
+    },
+    'nine': {
+        'arabic': '9',
+        'roman': 'IX',
+        'math': '3*3',
+        'japanese': '九'
+    },
+    'ten': {
+        'arabic': '10',
+        'roman': 'X',
+        'math': '4*2+2',
+        'japanese': '十'
+    }
+};
diff --git a/js/pexeso-controller.js b/js/pexeso-controller.js
index d6578ba..72f609b 100644
--- a/js/pexeso-controller.js
+++ b/js/pexeso-controller.js
@@ -35,59 +35,100 @@ angular.module('app', ['angular-flippy', 'level-selector', 'level-complete'])
      */
     $scope.levels = [
         {
-            levelName: "01: 2x2 Picture",
+            levelName: "01: 2 Pictures",
             totalCards: 2*2,
             cardsPerRow: 2,
             chainLength: 2,
+            cardSet: basicCards,
             cardTypes: ['picture', 'picture']
         }, 
         {
-            levelName: "02: 3x3 Picture",
+            levelName: "02: 3 Pictures",
             totalCards: 3*3,
             cardsPerRow: 3,
             chainLength: 3,
+            cardSet: basicCards,
             cardTypes: ['picture', 'picture', 'picture']
         },
         {
-            levelName: "03: 4x4 Picture",
+            levelName: "03: 4 Pictures",
             totalCards: 4*4,
             cardsPerRow: 4,
             chainLength: 4,
+            cardSet: basicCards,
             cardTypes: ['picture', 'picture', 'picture', 'picture'] 
         }, {
-            totalCards: 4*4,
-            cardsPerRow: 4,
+            levelName: "04: Simple Math",
+            totalCards: 3*2,
+            cardsPerRow: 3,
             chainLength: 2,
-            cardTypes: ['picture', 'picture'] 
+            cardSet: mathCards,
+            cardTypes: ['arabic', 'math']
         }, {
+            levelName: "05: Roman",
+            totalCards: 3*2,
+            cardsPerRow: 3, 
+            chainLength: 2,
+            cardSet: mathCards,
+            cardTypes: ['arabic', 'roman']
+        }, {
+            levelName: "06: Japanese",
+            totalCards: 3*2,
+            cardsPerRow: 3,
+            chainLength: 2,
+            cardSet: mathCards,
+            cardTypes: ['arabic', 'japanese']
+        }, {
+            levelName: "07: 4x MIX",
             totalCards: 4*4,
             cardsPerRow: 4,
+            chainLength: 4,
+            cardSet: mathCards,
+            cardTypes: ['arabic', 'math', 'roman', 'japanese']
+        },{
+            levelName: "04: Picture + Word",
+            totalCards: 2*2,
+            cardsPerRow: 2,
             chainLength: 2,
+            cardSet: basicCards,
             cardTypes: ['picture', 'en-US']
         }, {
+            levelName: "05: Picture + Word",
             totalCards: 4*4,
             cardsPerRow: 4,
             chainLength: 2,
+            cardSet: basicCards,
+            cardTypes: ['picture', 'en-US']
+        }, {
+            levelName: "06: Picture + Foreign Word",
+            totalCards: 4*4,
+            cardsPerRow: 4,
+            chainLength: 2,
+            cardSet: basicCards,
             cardTypes: ['picture', 'oneLanguage']
         }, {
             totalCards: 4*4,
             cardsPerRow: 4,
             chainLength: 2,
+            cardSet: basicCards,
             cardTypes: ['picture', 'randomLanguage']
         }, {
             totalCards: 3*3,
             cardsPerRow: 3,
             chainLength: 3,
+            cardSet: basicCards,
             cardTypes: ['picture', 'picture', 'picture']
         }, {
             totalCards: 3*3,
             cardsPerRow: 3,
             chainLength: 3,
+            cardSet: basicCards,
             cardTypes: ['picture', 'randomLanguage', 'randomLanguage']
         }, {
             totalCards: 4*4,
             cardsPerRow: 4,
             chainLength: 4,
+            cardSet: basicCards,
             cardTypes: ['picture', 'randomLanguage', 'randomLanguage', 'randomLanguage']
         }
     ];
@@ -106,61 +147,9 @@ angular.module('app', ['angular-flippy', 'level-selector', 'level-complete'])
         }
     };
     
-    $scope.basicCards = {
-        'cherry' : {
-            'cs-CZ': 'třešnička',
-            'en-US': 'cherry',
-            'sk-SK': 'čerešňa'
-        },
-        'cheese' : {
-            'cs-CZ': 'sýr',
-            'en-US': 'cheese',
-            'sk-SK': 'syr'
-        },
-        'carrot' : {
-            'cs-CZ': 'mrkev',
-            'en-US': 'carrot',
-            'sk-SK': 'mrkva'
-        }, 
-        'dwarf': {
-            'cs-CZ': 'trpaslík',
-            'en-US': 'dwarf',
-            'sk-SK': 'trpaslík'
-        },
-        'barrel': {
-            'cs-CZ': 'sud',
-            'en-US': 'barrel',
-            'sk-SK': 'sud'
-        },
-        'butterfly': {
-            'cs-CZ': 'motýl',
-            'en-US': 'butterfly',
-            'sk-SK': 'motýľ'
-        },
-        'ghost': {
-            'cs-CZ': 'duch',
-            'en-US': 'ghost',
-            'sk-SK': 'duch'
-        },
-        'rose': {
-            'cs-CZ': 'růže',
-            'en-US': 'rose',
-            'sk-SK': 'ruža'
-        },
-        'sun': {
-            'cs-CZ': 'slunce',
-            'en-US': 'sun',
-            'sk-SK': 'slnko'
-        },
-        'cloud': {
-            'cs-CZ': 'oblak',
-            'en-US': 'cloud',
-            'sk-SK': 'oblak'
-        }
-    };
     
     
-    $scope.cards = $scope.basicCards;
+    $scope.cards = basicCards;
     
     $scope.board = [];
     
@@ -185,7 +174,7 @@ angular.module('app', ['angular-flippy', 'level-selector', 'level-complete'])
         $scope.board = [];
         var fullStack = []
         var stack = [];
-        angular.forEach($scope.basicCards, function(card, cardId) {
+        angular.forEach($scope.currentLevel.cardSet, function(card, cardId) {
             fullStack.push($scope.getCard(card, cardId, 1));
         });
         
@@ -196,6 +185,13 @@ angular.module('app', ['angular-flippy', 'level-selector', 'level-complete'])
             for (var instanceIndex = 0; instanceIndex < $scope.chainLength; instanceIndex++) {
                 var tempCard = $scope.getCard(card, card.cardId, instanceIndex + 1);
                 tempCard.cardType = $scope.currentCardTypes[instanceIndex];
+                if (tempCard.cardType == 'picture') {
+                    tempCard.image = tempCard.cardId;
+                    tempCard.label = "";
+                } else {
+                    tempCard.image = 'question';
+                    tempCard.label = tempCard.card.card[tempCard.cardType];
+                }
                 stack.push(tempCard);
             }
         }