So in the third installement I will touch on the overall idea of the rules as well as the the main phases in wargame. Movement, shooting and assault.
What the rules do
Each set of rules have a goal. Since I am interpretating the rules my idea of what the rules aim to do and the actual designer's idea might vary. As always a disclaimer of a highly subjective walkthrough.
In Legion Imperialis and Warpath Epic you place orders hidden and then alternate squad activation. So you could technically bluff your way out. It intends to build excitement to what you opponent will do. But these systems are often pretty obvious and can more be about not blundering instead. Still the effect of choosing a stationary action like overwatch means something and the option to move away can sometimes surprise. Legions is more detailed and gives more focus on unique qualities and often units are one-on-one as in assault. The details are plentiful in Legion Imperialis whereas Warpath is a more of Battle system without going into each base.