This is an atomic Weapon with Nukephysic.

Features:
Huge nuclear blast effect
Extreme Physics
Easy installation


Installation guide:

Go to your Crysis game folder -> Electronic Arts -> Crytek -> Crysis -> Game.
Copy the downloaded object file into the current game folder (Game).

NOTE:If you use modiefied object files, scripts, textures the cheatprotection won't let you play.