IF Answers was a Q&A site for Interactive Fiction, and was live from March 2015 to October 2015.
The site is now closed, but a read-only archive can be browsed at http://docs.textadventures.co.uk/ifanswers.
The content is available in a GitHub repository at https://github.com/textadventures/ifanswers/tree/gh-pages.
A downloadable version is available from the IF Archive at http://ifarchive.org/if-archive/info/ifanswers.zip.
For more information, see this thread on the intfiction forum.