Score 200 points by defeating strong zombies within 10 minutes. When each wave starts, both gun and zombie spawners will be active. To find guns, look for various colored lights around the map that mark the gun spawners.Each type of gun, such as rifles, shotguns, sniper rifles, sub machine guns, and rocket launchers, can only be found once in each rarity category. If a zombie defeats you, you'll respawn, but losing time can make it more challenging to achieve your 200-point goal.