fizmo : Yet another Z-machine interpreter ( http://www.spellbreaker.org/~chrender/fizmo/ )
frobtads : Curses-based interpreter and development tools for TADS 2 and TADS 3 text adventures ( http://www.tads.org/frobtads.htm )
git : Fast interpreter for the Glulx VM ( http://www.ifarchive.org/indexes/if-archiveXprogrammingXglulxXinterpretersXgit.html http://www.diden.net/if/git/ )
glkfrotz : Glk-based interpreter for Z-code based text games ( http://frotz.sourceforge.net/ http://ccxvii.net/gargoyle/ http://code.google.com/p/garglk/ )
glulxe : An interpreter for the Glulx Virtual Machine ( http://www.eblong.com/zarf/glulx/ )
hugor : Multimedia interpreter for Hugo text adventures ( http://ifwiki.org/index.php/Hugor )
qtads : Multimedia interpreter for TADS text adventures ( https://realnc.github.io/qtads )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a interactive-fiction
For Paludis use this rsync : rsync://gentoo.zugaina.org/interactive-fiction-portage
If you have a problem : ycarus(-at-)zugaina.org