A strange little side quest
One reason strategy games keeps producing good game ideas around Base of Robots is that its history is full of strange turns. Modern chess traces back to the Indian game chaturanga, recorded around the sixth century and built around pieces representing parts of an army. The same trail leads to another fact: Doom changed game design and distribution in 1993 by separating its engine from content and spreading widely through shareware. That history is one reason familiar mechanics can still feel new when they are recombined well.