In March 2008, 25 years after porting Donkey Kong to the Atari 400/800, Landon Dyer recounted the experience in his blog. He also mentioned a secret in the game: "There's an easter egg, but it's totally not worth it, and I don't remember how to bring it up anyway." A few days ago, Don Hodges discovered that, with the right score and the right moves, you can make "LMD" (Landon Dyer's initials) display on the title screen. Visit the link below for the details.

Link: DonHodges.com - Donkey Kong Lays an Easter Egg