Revolution!

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 released in 2009. In 2016, Doomworld musicians led by James Paddock (Jimmy) released the Revolution! MIDI Pack, providing the WAD with an optional soundtrack and a bonus level created by van der Velden.