Fermat's Room  The Guardian Sat, 30th May 2009

'Fermat's Room' is an Intense Cross Between 'Clue' and 'Cube'  Dread Central Tue, 31st January 2023

Interview with Luis Piedrahita about Fermat's Room (La Habitacion De Fermat)  eyeforfilm.co.uk Sun, 31st May 2009

Fermat's Room: Preview Screening Ticket Giveaway  Londonist Tue, 26th May 2009

Make Pi Day Terrifying With These Geometrical Horror Movies  The Lineup Tue, 14th March 2023

Watch This: Trailer for New One-Room Thriller Titled Exam  First Showing Thu, 26th November 2009