A virtual Easter egg is an intentional hidden message or feature in an object such as a movie, book, CD, DVD, computer program, or video game. The term draws a parallel with the custom of the Easter egg hunt observed in many western nations.

Also here's a site with some of the MGS4 Easter Eggs -----> Metal Gear Solid 4 (MGS4) Easter Eggs and Cheats | GadgetHeat

__________________