Yes.
And making one is so detail intensive, that the only way to do so is to force yourself to learn scripting and then do it yourself.
Here's the basic ingredients though:
Hit Point Variables for each 'Killable' thing.
Weapon Variables and/or Items for doing the 'Killing'
Scripting that determines what happens when you use said Weapons on said Killable things.
Pages that show the Results.
