Beautiful Doom is the grandfather of most enhancement mods, including the well-known Brutal Doom. First released back in 2008 this mod aims to improve each and every single object in Doom, making them smoother, more impressive visually and having better sounds while retaining VANILLA gameplay. Keeping original vanilla gameplay is the core of Beautiful Doom. However, for those, who like to spice things up there are 3 weapon sets to choose from and a number of features to tweak!
A video description of the main new features of Beautiful Doom 6.2.1.