Angry Birds Evolution and Iron Maiden team up for Halloween event.
Iron Maiden bring there Metal madness to Angry Birds Evolution and from the sound of it you have 2 weeks to recruit "Eddie the Bird", then you get to keep him :)
Two worlds collide in our tribute to metal gods, IRON MAIDEN! This Halloween, Iron Maiden mascot, Eddie has come to Angry Birds Evolution to harvest piggy souls. For a limited time, all players have a chance to hatch Eddie the Bird from golden eggs. Welcome to the most METAL Halloween ever!
- iTunes Update Description