Easter Eggs

Dyed dead baby chick embryos allegedly delivered by a large pagan bunny to good Christian children celebrating the resurrection of their god. 🤪

Also the things left in any creative work by one or more of the creators only to be found by skillful, inquisitive fans after a bit of exploration, research, and good guessing.

Easter eggs were popularized in the film, Ready Player One.

[Yes, many. Get hunting!]