diff --git a/graphic-sets.json b/graphic-sets.json
index 18ca004..24859a5 100644
--- a/graphic-sets.json
+++ b/graphic-sets.json
@@ -12,5 +12,12 @@
     "tiles": 2,
     "backgroundColor": "#000000",
     "backgroundImage": "background_earth.jpg"
+  },
+  {
+    "name": "Io",
+    "tileset": "io.jpg",
+    "tiles": 3,
+    "backgroundColor": "#000000",
+    "backgroundImage": "background_jupiter.jpg"
   }
 ]
diff --git a/graphics/background_jupiter.jpg b/graphics/background_jupiter.jpg
new file mode 100644
index 0000000..3ad46ea
Binary files /dev/null and b/graphics/background_jupiter.jpg differ
diff --git a/graphics/tileset/io.jpg b/graphics/tileset/io.jpg
new file mode 100644
index 0000000..b189cc7
Binary files /dev/null and b/graphics/tileset/io.jpg differ
diff --git a/js/GraphicSet.js b/js/GraphicSet.js
index 39e3f1b..4f2f732 100644
--- a/js/GraphicSet.js
+++ b/js/GraphicSet.js
@@ -42,6 +42,17 @@ let GraphicSet = [
         tilePreview: 46,
         primaryTiles: 3,
         gravity: 2,
+    },
+    {
+        name: 'Io',
+        tileset: 'io.png',
+        tiles: 96,
+        scale: 1,
+        backgroundColor: '#000000',
+        backgroundImage: 'background_jupiter.jpg',
+        tilePreview: 2,
+        primaryTiles: 6,
+        gravity: 0.5,
     }
 ];
 
diff --git a/tilorswift/js/Terrain.js b/tilorswift/js/Terrain.js
index 3ee6ee5..1fea5fa 100644
--- a/tilorswift/js/Terrain.js
+++ b/tilorswift/js/Terrain.js
@@ -53,12 +53,12 @@ export default class Terrain
 
     getWidth()
     {
-        return this.tilesX * this.tilest.getTileWidth();
+        return this.tilesX * this.tileset.getTileWidth();
     }
 
     getHeight()
     {
-        return this.tilesY * this.tilest.getTileHeight();
+        return this.tilesY * this.tileset.getTileHeight();
     }
 
     addRows(index, quantity = 1)
@@ -70,6 +70,14 @@ export default class Terrain
             this.targetTileY = this.targetTileY === undefined ? undefined : this.targetTileY + 1;
         }
 
+        for (let y = index; y < this.tilesY; y++) {
+            for (let x = 0; x < this.tilesX; x++) {
+                // this.fields[y][x].index += quantity;
+                console.log(x, y);
+                this.fields[y][x].y += quantity;
+            }
+        }
+
         this.htmlElement.style.height = this.tileset.getTileHeight() * this.tilesY + 'px';
     }
 
@@ -98,6 +106,8 @@ export default class Terrain
 
     addColumns(index, quantity = 1)
     {
+        console.log(this.fields);
+
         for (let c = 0; c < quantity; c++) {
             this._insertColumn(index);
             this.tilesX++;
@@ -105,7 +115,15 @@ export default class Terrain
             this.targetTileX = this.targetTileX === undefined ? undefined : this.targetTileX + 1;
         }
 
+        for (let y = 0; y < this.tilesY; y++) {
+            for (let x = index; x < this.tilesX; x++) {
+                this.fields[y][x].x += quantity;
+            }
+        }
+
         this.htmlElement.style.width = this.tileset.getTileWidth() * this.tilesX + 'px';
+
+        console.log(this.fields);
     }
 
     _insertColumn(index = undefined)
@@ -233,6 +251,8 @@ export default class Terrain
             return true;
         }
 
+        console.log(x, y);
+
         return this.fields[y][x].index > -1;
     }