The combat system of Warmonger makes it easy to come up with rules for Robot players to use.
They can be as basic as random players (perhaps using dice instead of cards to get their Battle Score), or players that cheat in some way, all the way up to clever state-machines that carefully plan their card usage.
I’ve created a Facebook group where Robot designs can be discussed and shared.
Here’s two Robots to start things off:
Halloween 2018 Robots:
The Black Cat, The Witch Queen, The Zombie Nation, and The Suits