Hi
Amiga version of Duke Nukem has some problems.
It is slow 
and can't turn off aimin up and down that is useles feature wich just slows down game even more It is possible shoot enemy wich is not line of sight, Duke 3d is pseudo 3d game so it doesn't care how low or high you aim with your gun.
Yeah, the mouse look mode was off by default on original PC Duke too. I don't know what people are talking about it being essential part of the game. On original old PC back in the day it was slow too. Most people I know never used it. A lot of people never knew you could turn it on at all by pressing "U".
On the Amiga version you are playing if you press "U" does it turn mouselook mode off by chance?
