'' The Descent '' premiered at the Edinburgh horror film festival Dead by Dawn on 6 July 2005 . The film opened commercially to the public in the UK on 10 July 2005 , showing on 329 screens and earned £ 2.6 million . The film received limited releases in other European countries . The London bombings in the same month was reported to have affected the box office performance of '' The Descent ''
London bombings
7 July 2005 London bombings
The Descent