Pathways Into Darkness Easter Egg - Easter Egg (Literally)

1.go to bottom left room on the level "happy happy carnage carnage"

2.search the walls the is a hidden passage that leads around the level at the end is the easter egg

3.like the description says "you aren't trained in the morphology of bird eggs but you get this is someone's bad idea of a joke." Also if you eat it, it will take you to the last level