This is a glitch for Nuketown 2025 on Zombies.

Go and buy the barrier in the yellow building.

Then go out onto the balcony and line up with the wooden pole that is sticking out.

From there move back a little so that your crosshairs are just off the side of the wood.

If you stand from that spot you will be invisible to the Zombies (except maybe one in 50 will hit you).

Check out this video for a visual description! youtube.com/watch?v=OJWaM8zO1rc