Bullets fly in real-time, emit light, collide with objects and have bullet tracers.
Mods introducing new content into the game.
New ways to deal with enemies, be it attack or defense.
The thing i liked from KS Combat a lot is making shotgun have 1s reload time and slightly higher fire, it emphasized weapon better as a burst one, instead of dakka-mode SMG. Would be nice if you can do something similar :)
