Quartile rating: 7/10 · 1 rating
In 2001, where all correctional facilities have been privatized, martial artist Ricky finds himself victim to the corrupt system, found "guilty" of the manslaughter of an infamous crime boss.
Riki-Oh is one of cinema's most singular cult artifacts — a live-action manga adaptation that commits absolutely to its over-the-top splatter violence and cartoonish excess in a way no other film quite replicates. Its novelty is genuine and unmatched: the sheer inventiveness of its practical gore gags and the deadpan earnestness with which it delivers ludicrous body horror earn it a top Novelty score. Plot is threadbare even by exploitation standards — a simple beat-em-up prison revenge structure with minimal coherence. Acting ranges from wooden to gleefully hammy, serviceable for the genre but objectively rough. Cinematography is functional Hong Kong exploitation fare, capturing the carnage adequately but without artistry. The ending delivers a suitably insane boss battle and conclusion that satisfies the film's own gonzo logic, landing slightly above average for its genre context.