Use your sniper rifle to shoot all hazmat soldiers in the contaminated area, try to survive before the time runs out in order to progress to the next levels. Dead Zone Sniper, sniper shooter, hazmat shooter, survival game, 3D shooter, first-person shooter, FPS, shooting game, zombie shooter, military shooter, tactical shooter, long range combat, reload, zoom, stealth, contaminated zone, level progression, one player, shooter game, gun game