>>11922027
RedNukem is fine for the original campaign, but it might break custom maps.

>>11922067
>Is freelook basically required like in Blood?
The original game comes with vertical aiming off, so no. I used to use the PgUp/PgDn keys when I first played. And Blood also does not require vertical aim, I dunno where you got this idea from.

The original music recorded on an actual Roland SC-55 is a must-have mod:
https://sc55.duke4.net/games.php#duke3d
Create a new folder in your RedNukem / eduke32 directory. Rename that folder to "autoload." Place the zip file in that folder.