In the August 2004 issue of Classic Rock magazine, writer Geoff Barton reviewed the CD release of The Human Menagerie and stated: "It's about time "The Human Menagerie" was recognised as a classic.
Dave Thompson of AllMusic retrospectively reviewed The Human Menagerie, and noted: "The labyrinthine "Sebastian" and the loquacious "Death Trip" in particular, possess confidence, arrogance, and a doomed, decadent madness which astounds.