Mad World Instrumental in Multiplayer
This little Easter Egg requires you to play on the Gridlock map with at least two round wins required for winning If you can complete a round without anyone destroying any of the ash people an instrumental piano version of Mad World will play at the start of the next round
Respect for the Dead Achievement
In Act 4 Chapter 1 you will see ash bodies laying around In order to get this achievement you need to get through the level without shooting bumping or hitting any of the ash bodies When you get to the stranded camp someone will recognize your respect and open a weapons locker for you
CluckShot Weapon
In order to get this weapon you will need to do three things
1 Play through Act 4 Chapter 1 on Insane without touching any of the ash bodies When you get to the camp and get access to the weapons cache youll see a little chicken wearing a pirate hat on the right Press X when standing next to it to make it explode
2 In Act 4 Chapter 2 you need to find the two special ammo boxes that fall off the cliff as you approach them The first is in the beginning on top of a car The second is where you are attacked by Polyps in the underground section at the end of a railroad
3 Move past the lift when you reach Act 4 Chapter 3 and go through the barbed wire to fight a group of Formers After killing them all search for an ammo box that is on top of a stack of things kick it and the box will fall off getting you and your team members the CluckShot weapon This weapon is a Boom Shot that fires exploding chickens
Cole Trains Hat
Play through Act 1 Chapter 3 until you reach the Sporting Goods section which is just past the checkout section of the grocery store Find the Trashies poster with a button that you can activate for an audio recording Next to this is a hat for Cole and if you get it he will lose it during a later cutscene