Triangle.
This articles contains the release dates for the film.
Release Dates[]
| UK | 27 August 2009 | (Film4 FrightFest) |
| France | 19 September 2009 | (Strasbourg European Fantastic Film Festival) |
| France | October 2009 | (Dinard Festival of British Cinema) |
| UK | 16 October 2009 | |
| Ireland | 16 October 2009 | |
| USA | 24 October 2009 | (Screamfest Film Festival) |
| Lebanon | 26 November 2009 | |
| Belgium | 30 December 2009 | |
| New Zealand | 2010 | |
| Netherlands | 21 January 2010 | |
| USA | 2 February 2010 | (DVD premiere) |
| Egypt | 3 February 2010 | |
| United Arab Emirates | 15 April 2010 | |
| Australia | 29 April 2010 | (limited) |
| Germany | 6 May 2010 | (DVD premiere) |
| Argentina | 18 August 2010 | (DVD premiere) |
| Portugal | 3 October 2010 | (MOTELx Lisbon International Horror Film Festival) |
| Russia | 7 October 2010 | (DVD premiere) |
| Poland | 10 December 2010 | |
| France | 28 January 2011 | (Gérardmer Film Festival) |
| Singapore | 3 February 2011 | |
| France | 26 March 2011 | (Alès Film Festival) |
| Philippines | 6 April 2011 | |
| Sweden | 6 April 2011 | (DVD premiere) |
| France | 11 June 2011 | (DVD premiere) |
| France | 14 June 2011 | (DVD premiere) |
| Japan | 6 August 2011 | |
| Finland | 5 October 2011 | (DVD premiere) |
| Spain | 29 March 2013 | (Madrid) (premiere) |