What is up everyone! I'm super excited to be starting a Zombies series, exclusive to DLive!! In this series I will be playing all of the Black Ops Zombies maps and attempting to complete all of the hidden Easter eggs as well. When an Easter egg is completed I will update this post with a tick beside the completed Easter egg. Some of these Easter eggs require 4 players so I will need to find another 3 willing players to do these and therefore cannot guarantee I will complete all of them. Bottom line though this will be a lot of fun, whether all are completed or not!

Nacht Der Untoten

• Undone (hidden song): Plays after shooting several barrels outside. [COMPLETED!]
• Songs play when the player shoots or melees the radio near the Mystery Box in the Help Room. [COMPLETED!]

Verrückt

• Lullaby for a Dead Man (Hidden song) Activated when one of the toilets are flushed 3 times. [COMPLETED!]
• Dentist's chair: In one of the first rooms you start out in, there is a dentist's chair in the center. Hold the action button while looking at the wheel on the base of it and you will hear a dentists tool running and a man screaming. [COMPLETED!]

Shi no Numa

• Radio: A radio which explains information about 115.
• The One - Dialling the telephone 3 times in the hut via Comm Room Section [COMPLETED!]
  

Kino der Toten

• 115 (hidden song): Plays a song when 3 pieces of meteor are activated.
• Film Reels/Radios: Three film reels can be found and played on the projector, and two radios can be activated to play recorded messages.
  

"Five"

• Telephones: Plays Eminem's "Won't Back Down" when all three red phones are activated.
  

Ascension

• Casimir Mechanism: Long easter egg requiring four players and a Wonder Weapons; gives everyone a Death Machine for 90 seconds.
• Abracadavre (hidden song). Plays after three teddies holding sickles are activated.
• Character Dolls: Matryoshka dolls can be found that look like the original Nazi Zombies characters, which also talk, the quotes vary from player to doll, meaning there is a total of 16 quotes from the dolls.
  

Call of the Dead

• Original Characters Trapped: A variable length (Short in Solo, Long in Co-Op) easter egg which sends the usual Zombies characters to "Paradise".
• Not Ready to Die (hidden song): Hidden song by Avenged Sevenfold. Activated by Holding the Action Button on three Meteor Fragments in the first three areas.
  

Shangri-La

• Time Travel Will Tell: Another very long easter egg in which the player frees Gary And Brock.
• Pareidolia (hidden song): Plays a song when three pieces of meteor are activated.
  

Moon

• Coming Home (hidden song): Plays a song when three Teddy Bears are activated.
• Re-Damned: Hidden song which is activated by pressing the "use" button on a computer next to the Bio-Dome's door.
• 8-bit Pareidolia: Hidden song which is activated by obtaining a disc and using it on a computer in the bottom floor of the labs.
• 8-bit Coming Home: Hidden song which is activated by obtaining a disc and using it on a computer in Tunnel 6.
• Nightmare (hidden song): Activated by having somebody die when an Excavator is down, and then finishing the round, resulting in them spawning on the other side. (Completing One Giant Leap)
• Richtofen's Grand Scheme: A long easter egg which consists of two parts, which must be completed in the following order:
  • Cryogenic Slumber Party: An easter egg where it requires the player to complete a number of steps to release Sam from the Pyramid, when the pyramid opens, all players will be granted a Death Machine for 90 seconds.
  • Big Bang Theory: An easter egg which requires the players to complete a number of steps to launch three rockets to Earth. After they hit Earth, all players are granted with permanent eight perks.

I hope you all enjoy this series as much as I will! :)

REFERENCES:
Information and pictures in regards to Easter eggs taken from: http://callofduty.wikia.com/wiki/Easter_Eggs