GamersNexus: "With that, we give you GamersNexus Favorite Video Games Easter Eggs. This brief list compiles some of the industry's best gaming easter eggs and their locations, including Duke Nukem, Gears of War, The Witcher, and more."
A P.T. easter egg has been translated from Swedish, and references Orson Welles' 1938 War of The Worlds radio broadcast. Silent Hill and aliens meet again?