Call of Duty: Black Ops 3 - Hide and Go Seek Easter Egg
This video explains how to begin and complete the hide and go seek easter egg on The Giant Zombies map in Call of Duty Black Ops 3. It's a little different from the original fly trap / hide and go seek easter egg on Der Riese, and rewards all players with the Annihilator pistol.
For more on Call of Duty: Black Ops III, check out the full wiki on IGN:
http://www.ign.com/wikis/call-of-duty-black-ops-3