There's an excellent story about an early mainframe version of this game called ANIMAL that copied itself into a new directory each time it was played: https:/

There's an excellent story about an early mainframe version of this game called ANIMAL that copied itself into a new directory each time it was played: https://www.fourmilab.ch/documents/univac/animal.html https://www.fourmilab.ch/documents/univac/animal.html