doom-wad-shareware binary package in Ubuntu Trusty amd64

 This is the Shareware doom-wad file for Doom. A doom-wad file is
 required for doom-engines such as prboom or chocolate-doom. You can
 use this package to sample the commercial game in conjunction with
 a package providing doom-engine.
 .
 If you own one of the commercial Doom games, you can use
 game-data-packager to register your commercial doom-wad file on your
 Debian system.
 .
 Finally, you can use the freedoom boom-wad package in conjunction
 with a boom-engine (e.g. prboom).

Source package