The follow up to "the chopped off foot seen round the world" Saw II was also not originally even a Saw movie, at least in it's earliest form. The script horror movie reviews was reworked to fit (blog post) the mythos far better than how a lot of franchises have done it, and it's got it's twists as well. But... does it have enough of them?Source:

A relatively recent 1985 public domain film, Night Train to Terror combines multiple stories along a narrative that follows a band singing a terrible song while literrally on the fast track to death. Does sci-fi movies this vinette pull of something special, or (blog post) should it have never pulled away from the station?Source: science fiction

The Revenant (2015) - The Revenant is a visually stunning and intense watch. Leonardo DiCaprio gives a powerhouse performance as a fur trapper who has been left dead in the wilderness. The cinematography and direction science fiction movies by Alejandro G. Inarritu are equally impressive.