《Firezone Ultra - Vùng Chiến》 Civilization has collapsed, and hordes of zombies have swept across the land. The once-prosperous world has turned into a hell overrun by the undead. With the virus raging, survivors are few and far between. Every inch of ground is fraught with lethal danger, and every breath could be the last. You will become an apocalypse survivor, trudging through ruined cities, desolate wilderness, and eerie underground strongholds. Armed with an array of firearms, you must ai