10 Terrible Horror Movies (You Couldn't Stop Thinking About)

10. The Devil Inside

To take a superficial look at it, The Devil Inside is merely one of the many critically panned, exorcism-themed found footage movies released throughout the 2010s, and hardly a film anyone would expect to still be talking about - let alone thinking about - almost 15 years later.

But William Brent Bell's 2012 film is still remembered in 2025 for one big reason - that almost unthinkably, insultingly awful ending.

The Devil Inside infamously climaxes with a non-ending, leaving the fate of possessed protagonist Isabella (Fernanda Andrade) up in the air, before cutting to a title card which urges viewers to visit a website, TheRossiFiles.com, for more information.

Audiences understandably felt duped, that they'd effectively been sold an incomplete movie, causing some to even demand refunds from Paramount.

And 13 years later it remains one of the most shameless things that any studio-produced horror film has ever done - a fact made all the worse given that TheRossiFiles.com doesn't even work anymore.