Brinkmanship

Brinkmanship is first person shooter game in which you are put in charge of defending an abandoned military base and soon you are about to come under intense and overwhelming military attack by forces equipped with drones, ground attack jets, fighter jets, gunships, transport and assault helicopters, tanks, armoured troops transport vehicles, multiple rocket launchers and mobile artillery. On your side you are equipped with portable heat-seeking surface to air missiles, assault rifles, hand grenades, propelled grenades and cluster bomb launchers and unlimited Armor Piercing Bullets. 

There are Missions in various weather conditions :

Clear day time.
Night time with or without the night vision option.
Snow falling or in heavy snow storm.
Rain with lighting and thunder.