Found
this site, which came in handy. Between it and Kev's post I put together a bit more:
UK
Unhinged - R2 (Platinum Media)
Imports
The Dorm that Dripped Blood/Pranks - R0 (looks like a Vipco release, but their Screamtime release is cut)
Expose - R1 Severin (due to be released)
Frozen Scream - German R2
Mardi Gras Massacre - R1
Revenge of the Bogey Man - R1 (Boogey Man 2)
Visiting Hours - R1 Anchor Bay
Blood Rites/The Ghastly Ones - R1 Something Weird (double feature with Seeds of Sin)
Faces of Death - R1 Gorgon Video (see also
Faces of Death Collection)
No English DVD
The Werewolf and the Yeti - Spanish release only