A mod that uses Freedoom graphics, sounds, and sprites so they can be played in the official Doom IWADs. The mod is playable on a variety of supported source ports, including GZDoom, Zandronum, Chocolate Doom and derivatives, Doom Retro, and more!
Doom 2's MAP11 played with Freedoom in Doom 0.12.1. That is no Arch-Vile! Played through Doom Retro 3.6.1.