Personally, I never played WFB. But some of my gaming mates have and they say KoW is pretty similar. Maybe a little bit more streamlined. Some may say shallow. Personally, I like KoW. A horde of zombies looks really impressive. So moving all these big units on the table is fun. But I am more a skirmish gamer, so a rank & file will never be my favorite rule set. But Kow is nice for me to add some variety to my gaming experience.