Rogue Trooper: The Quartz Massacre (2018)

Souther and Nordland forces have been locked in war for decades on Nu-Earth. The war has turned the planet toxic. Genetic Infantrymen designed to survive the poisonous atmosphere are deployed in a surprise offensive. The plan is leaked and the Genetic Infantrymen (GI's) don't stand a chance. They are ambushed in the Quartz Zone and are massacred.