From www.whatculture.com:
"Every sub genre has its unheralded, secret classics.
Some were well regarded upon their initial release, only to be forgotten in the years that followed. Some were dismissed by critics only to be re-evaluated and have their misjudged genius recognized years later. Still more are small budget indies which were missed out on entirely, receiving little fanfare during their modest initial release.
Whatever the cause, this phenomenon crops up throughout all branches of cinema, and it's seen all the time in the sci-fi horror sub genre.
With many critics writing every space-set spooky movie off as an Alien clone (even in many cases where the film has nothing in common with that Ridley Scott classic), the sub genre gets an unreasonably bad rap. It's not helped by some big budget flops that tarnished its reputation as a sub genre at large, even if they were recognized as solid efforts later on."
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