If you loved House on Haunted Hill, try 13 Ghosts
A bridge between a film you've already seen and one most people haven't. 13 Ghosts has roughly 3.7× fewer votes than House on Haunted Hill — 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
Both films are directed by William Castle, and they sit in Horror territory. If that's the register that drew you to House on Haunted Hill, the second film will land in a comparable space — through a different lens.
What 13 Ghosts is
Dust motes. Inheritance time. A family inherits more than just real estate from their departed uncle Zorba. Twelve malevolent spirits also come with the haunted house. William Castle's gimmick horror is best enjoyed with a wink.

