Spy's Demise is an action game written by Alan Zeldin for the Apple II, published by Penguin Software in 1982. It was ported to the Atari, Commodore 64, Texas Instruments TI-99/4A, and Vector-06c. The game contained a puzzle which could be solved for a Spy's Demise T-Shirt. According to Antic magazine in June 1984, only four people had solved it. The game was followed by a 1983 sequel, The Spy Strikes Back.