--- a/mhrok.js	Wed Oct 31 14:07:51 2012 +0100
+++ b/mhrok.js	Wed Oct 31 15:18:02 2012 +0100
@@ -284,13 +284,26 @@
 
 
 (function () {
-    var Zombie = function () {
+    var Zombie = function (x, y) {
         MhrokLib.Char.apply(this, arguments);
+        this.x = x * 32;
+        this.y = y * 24;
+        this.z = y;
     };
     Zombie.prototype = Object.create(MhrokLib.Char.prototype);
     Zombie.prototype.classes += ' mhrok-zombie';
     Zombie.prototype.update = function (game) {
-        this.walk('south');
+        if (game.hero.y > this.y) {
+            this.walk('south');
+        } else if (game.hero.y < this.y) {
+            this.walk('north');
+        } else if (game.hero.x > this.x) {
+            this.walk('east');
+        } else if (game.hero.x < this.x) {
+            this.walk('west');
+        } else {
+            this.animation = 'stand';
+        };
     };
 
 
@@ -321,7 +334,7 @@
         this.map_element.innerHTML = this.level.html();
         this.hero = new MhrokLib.Hero();
         this.mobs.push(this.hero);
-        this.mobs.push(new Zombie());
+        this.mobs.push(new Zombie(10, 8));
     };
     Game.prototype = Object.create(MhrokLib.Game.prototype);