If you pre-order the new Doom on Xbox One, you get Doom 1 and Doom 2 | Eurogamer.net
Classic Doom and Doom 2 get native widescreen, mod tools, new modes and more - Polygon
Doom II Achievement Guide & Road Map
Achievement - The Doom Wiki at DoomWiki.org
DOOM (1993) Cheats For Saturn PC Game Boy Advance Xbox 360 3DO Sega 32X Jaguar Super Nintendo PlayStation iOS (iPhone/iPad) PlayStation 4 Xbox One Macintosh - GameSpot