Twisting the Hellmouth
|Name:||Twisting the Hellmouth|
|Date(s):||25th November 2003 - present|
|Fandom:||Buffy the Vampire Slayer, Angel the Series|
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Twisting the Hellmouth is a fanfiction archive for Buffy the Vampire Slayer and Angel the Series crossover fanfiction. It also hosts non-crossover fanfiction and fanart. As of 5th December 2009, the site holds 16,072 stories, of which 13,305 are crossovers between BtVS and/or AtS and another fandom.
The site rules state that at least 50% of the stories posted by individual users must be crossovers between BtVS and/or AtS and another fandom. This is to preserve the theme of the site as a Buffy crossover archive . The rules also state that at least 50% of the total wordcount of stories posted by individual authors must be crossovers. However, these ratio restrictions are waived for site donors. For 'ratio' purposes, crossover stories between BtVS and AtS with no other fandom involved, or between other fandoms (for example, between Harry Potter and Stargate SG1) are not counted as crossovers.
RPF was formerly banned completely, and a WWE story category was deleted in November 2005 after it was pointed out that all of the stories violated this rule, but a later rules change allows it "if using that specific person is required to portray a scene realistically," with various guidelines on suitable and unsuitable portrayal. The effect is to ban RPF het and slash pairings while allowing in-character portrayals of e.g. the Top Gear team as seen on TV.
Prior to 2005, TtH used the MPAA ratings system, requiring all stories to be rated on a G to NC-17 scale. However, following concerns over cease and desist letters sent to fanfiction writers over the use of MPAA ratings in stories  a new ratings system was developed by Houses :
- FR7 - Suitable for your seven year old cousin. No nightmare inducing material of a sexual or violent nature. No naughty language. As fluffy a fluffy bunny as you can get.
- FR13 - Behold the wonders of dirty words. But only saying them. Not doing them.
- FR15 - The sexual exploration begins! But nothing explicit, and the violence is kept to Super Mario levels.
- FR18 - Violence ho! But nothing extreme. Be reasonable. If it'd give an 18 yr old nightmares, move it on up a level. Nookie, but not porn.
- FR21 - No holds barred, Skinamax experience. Should that be no clothes barred? Or maybe just a round of particularly descriptive violence. Regardless, not for the faint of heart. Place stories with explicit warning labels here. Those under the age of 18 may not read or post stories of this rating.
- Wayback Machine First record of "http://www.tthfanfic.com" on the Wayback Machine, accessed 5/12/09
- Twisting the Hellmouth Site Rules accessed 5/12/09
- Twisting the Hellmouth homepage accessed 5/12/09
- See Heidi8's post regarding a cease-and-desist letter sent to Jori over the use of MPAA ratings in fanfiction: MPAA, 14 February 2005. (Accessed 5/12/09)
-  Discussion over new ratings system on TtH forum, 12/02/05, accessed 5/12/09.