diff --git a/README.md b/README.md
index 3d8d882..80ad6ac 100644
--- a/README.md
+++ b/README.md
@@ -14,7 +14,17 @@ An example of a deck definition file:
 
 Using this you can make all kinds of decks. 
 
+A more advanced example uses an array of "decks" to build a single deck.
+
+```
+[{
+"value":["A","2","3","4","5","6","7","8","9","10","J","Q","K"],
+"shape":["♥","♣","♠","♦"]
+},{
+"color":["red ", "black "],
+"joker":["joker"]
+}]
+```
+
 Things not yet supported:
-  * Unique cards
-  * Multipul card classes
-  * Mixing decks
+  * Mixing decks
\ No newline at end of file
diff --git a/index.html b/index.html
index 1d73b04..c4a8ff6 100644
--- a/index.html
+++ b/index.html
@@ -54,7 +54,15 @@ buttonAdd("#menu","upload","Upload Deck", function () {
 		var myFile = new FileReader();
 		myFile.onload = function (file) {
 			// Probably validate the file somehow befor eating it
-			window.deck = generateDeck(JSON.parse(file.target.result));
+			var ourFile = JSON.parse(file.target.result);
+			if ( Array.isArray(ourFile) ) {
+				window.deck = [];
+				ourFile.forEach(function (deck) {
+					window.deck = window.deck.concat(generateDeck(deck));
+				});
+			} else {
+				window.deck = generateDeck(JSON.parse(file.target.result));
+			}
 			window.hand = [];
 			updateEvent();
 		}
diff --git a/jokers.ddf b/jokers.ddf
new file mode 100644
index 0000000..3dfd8f3
--- /dev/null
+++ b/jokers.ddf
@@ -0,0 +1,25 @@
+[{"value":[
+	"A",
+	"2",
+	"3",
+	"4",
+	"5",
+	"6",
+	"7",
+	"8",
+	"9",
+	"10",
+	"J",
+	"Q",
+	"K"],
+"shape":[
+	"♥",
+	"♣",
+	"♠",
+	"♦"
+]},
+{
+"color":["red ", "black "],
+"joker":["joker"]
+}
+]