Spy vs Spy is a game written by Michael Riedel in 1984, the object of the game is to collect various secret items in a briefcase and exit the building through a door to the airport, either before the opposing player exits or before the timer runs out. While searching for the items, traps can be laid to take out the opponent. Each spy has a personal countdown timer which depletes by 30 seconds upon each death. Based on Mad magazine's long running cartoon strip Spy vs. Spy, about the slapstick antics of two spies trying to kill each other with improbably elaborate traps and weapons. Download Spy vs Spy NES