There is the old (very old) classic, Corewar [1]. I enjoyed playing Robowar[2] back in the day. [1] https://en.wikipedia.org/wiki/Core_War https://en.wikiped

There is the old (very old) classic, Corewar [1]. I enjoyed playing Robowar[2] back in the day. [1] https://en.wikipedia.org/wiki/Core_War https://en.wikipedia.org/wiki/Core_War [2] https://en.wikipedia.org/wiki/RoboWar https://en.wikipedia.org/wiki/RoboWar