If you loved Varan, try Godzilla, King of the Monsters!
A bridge between a film you've already seen and one most people haven't. Here's what they share, and what the second one does that the first one doesn't.
What they share
Both films are directed by Ishirō Honda, and they both carry the dread, late night mood tags, and they sit in Horror / Science Fiction territory. If that's the register that drew you to Varan, the second film will land in a comparable space — through a different lens.
dreadlate night
What Godzilla, King of the Monsters! is
Tokyo streets at dusk a siren blares a city besieged by scaly giant Ishirō Honda's classic monster movie endures.
Ask 
ChatGPT
Claude
Grok
Le Chat
Perplexity
for a deeper bridge
ChatGPTClaudeGrokLe ChatPerplexity