Description DooM LEGACY Release v1.30, August 2000. Last Updated: August 2000 Original game & sources by: Id Software. Additions: (c)1998 by: Fabrice Denis & Boris Pereira (c)1999 by: Fabrice Denis, Boris Pereira & ThiDooM Legacy is an enhanced version of where idSoftware left with Doom. It is a project that started in the December after 1997 after idSoftware released the source code to Doom.