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!
TNT: Evilution's MAP22 being played with Freedoom in Doom 0.12.1. Nothing else to say here, you know this map. Played through Chocolate Doom 3.0.1.