Being the horror researcher that I am, I decided to compile a orodha of sinema featuring killer clowns. There's probably some here that you've never heard of before. A few of them are good (You'll already know which ones), but most, not so much.
Not listed in any particular order, except for the first few being the zaidi familiar ones.
Follows a group of UAC Marines as they respond to a distress call from a juu secret scientific base on Phobos, a Martian moon, only to discover it's been overrun kwa demons who threaten to create Hell on Earth.