I think it would be best suited to keep the guidlines reasonably loose, to allow for mechanical bugs, or 50 foot tall ones, but not aliens that have multiple limbs or bug like features like the Zerg, or Tyrannids. Bugs that don’t actually exist I think should be cool, I just think it should be somehow worded so that the insects are more set dressing than enemies - to keep it away from being a strictly character driven challenge.
EDIT: Simupost!! I agree Super!
