(adsbygoogle = window.adsbygoogle || []).push({}); Hey here are 2 vids of zombies that float when killed. Again found on youtube not sure what happened or how they did it. Close if im wrong but it might be a glitch.
[ame="https://www.youtube.com/watch?v=VopnphHZYew"]YouTube - Glitch on New Nazi zombie map Verrückt, Asylum[/ame]

[ame="https://www.youtube.com/watch?v=2hs_O2P6VOI&feature=related"]YouTube - Floating Nazi Zombie glitch on COD5 Xbox 360[/ame]