expeditions gears of corruption expansion gameEXPANSION FOR: EXPEDITIONS Face a corrupted mech with hero workers, new mechs, and hidden maps. Following a series of expeditions some successful, others not into the frigid Siberian tundra, corruption has spread from animals and people to a much larger threat. New heroes, better prepared than their predecessors, gather to face the prospect of a mechanical monster, but the changing landscape brings greater uncertainty as they explore Tunguska with