The centerpiece of the update is the introduction of the , a faction that shifts the geopolitical balance of the 1920+ alternate history universe. Unlike the heavy, ground-based industrialism of the Polania Republic or the Saxony Empire, Usonia brings a flavor of "Dieselpunk Americana." Their inclusion adds a rich layer of narrative depth, exploring a world where the United States enters the global fray not just as a peacemaker, but as a formidable technological powerhouse. Verticality and the Aerial Revolution
The "v1.3.0.2687" designation specifically points to the rigorous post-launch polishing phase. Beyond the flashy new campaign and units, this update addressed: Iron.Harvest.Operation.Eagle.Update.v1.3.0.2687...
Players could no longer rely solely on stone walls and trenches. Aerial units forced a rethink of defensive positioning. The centerpiece of the update is the introduction
Adjusting the damage output of Usonia’s mechs to ensure they didn't overshadow the original three factions. Beyond the flashy new campaign and units, this
Before version 1.3.0.2687, Iron Harvest was defined by its "boots on the ground" tactical cover system. The introduction of —including massive gunships and nimble scouting vessels—completely disrupted this meta.
To counter the new skyward threat, existing factions received new units and buildings, ensuring the game maintained its delicate rock-paper-scissors balance. Technical Refinement and Stability