If you loved Godzilla: The Planet Eater, try Fist of the North Star: The Legend of Toki
A bridge between a film you've already seen and one most people haven't. Fist of the North Star: The Legend of Toki has roughly 9.3× fewer votes than Godzilla: The Planet Eater — it's a deeper cut, not a mainstream recommendation. Here's what they share, and what the second one does that the first one doesn't.
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Godzilla: The Planet Eater
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Fist of the North Star: The Legend of Toki
What they share
Both films are directed by Kobun Shizuno, and they sit in Action / Animation territory. If that's the register that drew you to Godzilla: The Planet Eater, the second film will land in a comparable space — through a different lens.
What Fist of the North Star: The Legend of Toki is
You fight in a post-apocalyptic world and then a legendary warrior's past unfolds. The film leaves him facing a fierce duel.