Activate the trap in the center of the courtyard periodically. Just keep running in a circular path (in the same direction) around the level to allow zombies to follow behind. Make sure to pick up any nuke power-ups or max ammos.
You should be able to make it close to round 50+ in Call of Duty WW2: The Final Reich as long as you have enough points to purchase the SVT-40 enhanced ammo for 4000 points. I have not confirmed this yet, but I don't think instant kill works against them. Sometimes it's better to ignore them and kill them in between rounds when all other zombies are dead. Additionally, using the ability that makes you invisible to zombies will not work against them, as they will still be hostile towards you. CoD WW2 Glitches : Easiest The Final Reich Solo God Mode Pile Up Glitch. They have much more health and will damage your health more than regular enemies. top of the Pack-a-Punch machine to avoid all damage. Sometimes slow-moving zombies will appear that charge at you when they are provoked by a player (like shooting them or standing near them).
Alternatively, use the Tesla gun and upgraded weapons like the MG42 light machine gun or any fully automatic weapon. Sprint away from the flamethrower zombie until you're a safe distance and use the infinite ammo ability.
