I prefer realism overall. Some embellishments like the fun tracers for some weapons don't put me off too much. Because there is a zombie mode, I am not surprised that some skins might delve into undead like zombies and vampires. I definitely won't be getting the demon knight nor parasite bundles though. Those are both over the line for me. While I prefer not to see them in multiplayer, I am still having fun and for now will gladly snipe the big green thing from across the map frequently to accumulate xp.