Okay, im 99% that this is a bug and not in my part, this is my situation to the best of my knowledge so that anybody can recreate it on their system. I just did a fresh install of Duke Nukem 3D 20th Anniversary World Tour on Steam. Latest build is 1435846, released on 02-November-2016 according to SteamDB, i tried the 5 different zips for the latest eduke32 (11-July-2024) from this
link (my computer is x64 but i tested everything just in case for troubleshooting). Downloaded the Duke3D HRP v5.4 FULL SFX (986 MB) from
here. Did the same steps for the installation of everything, i got it working all combined. WT launched through eduke32 with the textures/3d models ON, just like the pictures i uploaded on this thread. With the "dnweapons" cheat code on Episode 1 Level 1, i can say that: 1) the basic pistol changes to sprite only when reloading, shooting is fine. And 2) the freezethrower 3d model from HRP only appears when shooting, in idle state (not shooting) is the base sprite. The shotgun 3d model works at all times for example, shooting and reloading. No other thing i have installed with this fresh test. Only these 3 things (WT+eduke32+HRP)