this is a mod were every mod and game will have different sounds models and textures, this mod is just to modify all the half life games and mods to make it more extreme so try this mod it will make experience things in half life differently, have fun.
Is this the original Heart of Evil or the Napalm (Stupid) Edition?
its the Napalm (Stupid) Edition of how you call it
So it means it won't work on the original Heart of Evil?