Call of Duty: Advanced Warfare Reckoning DLC Unlockables and Easter Eggs

The Activation's first player shooting game DLC pack number 4, Call of Duty: Advanced Warfare features four new Multiplayer Maps and the fourth installment in Exo Zombies’s four-part co-op story narrative. Here are the list of the unlockables and easter eggs so far in the Call of Duty: Advanced Warfare Reckoning.

Unlockables:

DLC Maps Bonus: 
If you buy the entire DLC package it will unlock the finest maps for you such as all time favourite Call of Duty 4: Modern Warfare maps and Pipelines. Also get access to the Altas Gorge multiplayer map. Advance Warfare’s Exoskeleton technology has empowered the map's new verticality, taking control of the devastating map-based turret scorestreak. But it is playable upon purchase.
 
DLC Weapon Bonus: 
The all new 'KL03-Trident' gets unlocked with the DLC 4 package. This weapon is so strong that it bounces off the walls till it identify and targets the nearby zombie. It's a reflected energy weapon and shoots electric shots.

Easter Eggs:
There are secret Easter Egg songs in the Descent Map of Call of Duty: Advance Warfare Reckoning. You need to press and hold the X button for Xbox and Square button for PlayStation on the locations given below to hear the music.

• The Dead Fish(Galleria): Go to the broken fish tank in the central circular room. You will see a red deal fish inside the tank. Contact(press the button) with it and you will hear a confirmation sound.
• The Manta Ray(Tidal Generator): Climb up the stairs to the top floor and jump on the blue-lit teleporter and at the end of the Teleporter you will find the Manta Ray at the silver steel edge. Press the Button and you will hear the confirmation sound.
• The Manta Ray(Concierge): This is a bit tricky. you need to go near the landing elevator area and look up on the left. You will find the Manta Ray, interact with it to get the confirmation sound.

Here is the video to show the perfect spots of the Easter Eggs songs locations.