The Insta-Funeral's sprite is a combination of the railgun from Shadow Warrior and Duke's Ripper chaingun.The Gurumaster's sprite is a rip from the Enforcer Gun in Duke Nukem Forever.note The Libra would later evolve into the Antonov which looks nothing like the energy cannon. Speaking of LameDuke, one weapon formerly in the mod known as the Libra also got its sprite from the beta's Energy Cannon.Beef Supreme is the RPG from the Duke Nukem 3D beta known as LameDuke.The Stachanov also seems to be based off the Devastator sprite, only with the iconic collapsing barrel replaced with an energy core. Chton is unmistakably one half of a Devastator.
