3D Game Alchemy for Doom, Doom II, Heretic, and Hexen
"3D Game Alchemy for Doom, Doom II, Heretic, and Hexen" was the title for the second edition of the book "Tricks of the Doom Programming Gurus", both thick volumes on how to create your own levels and resources for the computer games Doom, Doom 2, Heretic and Hexen.
The cover-mount CD was
It's a Hexen DeathMatch level, great 2 way, goes better 3 or 4. Sort of the same style as map one...but it wasn't based on MAP01, it just feels a bit like it :). It's more fun than the levels in Hexen, since Hexen's levels lack some of that DM feel (except map 1) and so on. Just try it...! :)