Core War is a game created by A. K. Dewdney in which rival programs battle to the death. First written about in Scientific American in the 1980's in the following articles. Please note that these articles are very old, so any addresses and references may be out of date. (Converted to html by vmann)

• In the game called Core War hostile programs engage in a battle of bits.: This was the first article, in which Mr. Dewdney first describes Core War.
• A Core War bestiary of viruses, worms and other threats to computer memories: Followup to the first article, author shares the responses of various readers of the first article and numerous anecdotes relating to Core War.
• A program called MICE nibbles its way to victory at the first Core War tournament: Results of the first ever Core War Tournament and commentary.
• Of worms, viruses and Core War: Commentary on malicious computer programs and security.

For more information, check out King of the Hill.