If you loved Underwater, try Godzilla Raids Again
A bridge between a film you've already seen and one most people haven't. Godzilla Raids Again has roughly 10.4× fewer votes than Underwater — 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.
What they share
Theyboth carry the dread, raw mood tags, and they sit in Action / Horror / Science Fiction territory. If that's the register that drew you to Underwater, the second film will land in a comparable space — through a different lens.
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What Godzilla Raids Again is
Foggy Osaka harbor at dawn, a rusty fishing net scraping against a boat's hull. Two monsters, Godzilla and Anguirus, emerge from the sea. This sequel solidifies the kaiju genre's dark postwar roots.

