If you loved Detective Conan: The Bride of Halloween, try Detective Conan: The Scarlet Alibi
A bridge between a film you've already seen and one most people haven't. Detective Conan: The Scarlet Alibi has roughly 5.8× fewer votes than Detective Conan: The Bride of Halloween — 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.
You already loved

Detective Conan: The Bride of Halloween
→
Try this next

Detective Conan: The Scarlet Alibi
What they share
Theysit in Action / Animation / Mystery territory. If that's the register that drew you to Detective Conan: The Bride of Halloween, the second film will land in a comparable space — through a different lens.
What Detective Conan: The Scarlet Alibi is
Tokyo streets at dusk a siren blares Akai family tied to a complex web A classic whodunit from 90s anime era