Harmony is a 11-level stand-alone total conversion, created by Thomas van der Velden (t.v.) and released after five years of development. In its updated 1.1 version, it is recogniz...
Revolution! is a megawad made by Thomas van der Velden in 2001. It runs under Doom II, and features 32 new levels along with some sprite replacements. A 10-map sequel, Harmony, was...