ZDoom

Trying this with other campaigmn mod, everything nice and dandy, axcept one moment - player can't sit in water, and there are places through which you can pass only crouching, and of course save won't load without a mod just to get pass through this section

It doesn't even feel like a Doom, if not default menu and movement (which is fixable with ZMovement) it would be 100% seamless. Also levels feels kinda weird without music. I dunno if anyone had issues with this, but when trying to shot enemy, bullets stumble upon any corpse in the way, it's like ...