20 Things You Somehow Missed In The Matrix
9. Dark City
Given that they both deal with the premise that the world around you might not be real, The Matrix often gets compared to the movie Dark City. They bear a lot of similarities in terms of tone, atmosphere, and plot, but upon closer inspection they've got a lot more in common.
Wanting to keep a sky-rocketing budget under control, Warner Bros. Turned down the request to film the rooftop scenes 'on location' and, instead, had the filmmakers use the existing sets from The Dark City instead. Some tweaks were made to disguise this, but by and large they're near identical.