[fatcow]

Us old-timers may remember a PC one called PCROBOTS sent to UK to participate in tournaments in the early 1990s (30 years ago!)

http://www.pscs.co.uk/pcrobots/index.php https://programminggames.org/PCRobots

[jhbadger]

And even more old-timers will remember RobotWar from the PLATO system in the 1970s and its Apple ][ port in 1981. This was probably the first example of this genre.

https://en.wikipedia.org/wiki/RobotWar