Software instruments range from the massive and deep, such as Spectrasonics Omnisphere, to the very basic. Psychedelic FX 6000 V1 definitely inhabits the simpler end of the spectrum — and that’s all part of its appeal.
MangledVerb first appeared as an algorithm in the rackmount Eventide Eclipse effects units. It then migrated to the H9 guitar pedal, and is now available as a self-contained plug-in supporting all the usual formats.
The design aim with the True Overdrive 1 was to emulate the way valve circuitry behaves, so that the sound cleans up very naturally as you back off the guitar volume control or play quieter.