Behind Enemy Times is a series of missions for the TimeWatch RPG. Run them separately or as a linked campaign.
Insects are everywhere, in their millions, roaches, scarabs and ants and mosquitos. Now imagine them human-sized, with a chip on their carapaces, add psychic powers and you have the ezeru: huge, advanced beetles forged in the aftermath of a self-inflicted human extinction event. But TimeWatch engineered history so that never happened, and only a few ezeru remained, caught in the time stream outside of reality. They want to restore their species and their history, and only you, the agents of TimeWatch, can stop them.