exult : an Ultima 7 game engine that runs on modern operating systems ( http://exult.sourceforge.net/ )
frobtads : Curses-based interpreter and development tools for TADS 2 and TADS 3 text adventures ( http://www.tads.org/frobtads.htm )
frotz : Curses based interpreter for Z-code based text games ( http://frotz.sourceforge.net/ )
gargoyle : An Interactive Fiction (IF) player supporting all major formats ( http://ccxvii.net/gargoyle/ )
gemrb : Reimplementation of the Infinity engine ( http://gemrb.sourceforge.net/ )
nazghul : A computer role-playing game (CRPG) engine with game called HaximA ( http://myweb.cableone.net/gmcnutt/nazghul.html )
odamex : An online multiplayer, free software engine for Doom and Doom II ( http://odamex.net/ )
openmw : An open source reimplementation of TES III: Morrowind ( http://openmw.org/ )
openxcom : An open-source reimplementation of the popular UFO: Enemy Unknown ( http://openxcom.org/ )
qtads : Multimedia interpreter for TADS text adventures ( http://qtads.sourceforge.net )
renpy : Visual novel engine written in python ( http://www.renpy.org )
residualvm : A cross-platform 3D game interpreter for play LucasArts' LUA-based 3D adventures ( http://www.residualvm.org/ )
scummvm : Reimplementation of the SCUMM game engine used in Lucasarts adventures ( http://scummvm.sourceforge.net/ )
scummvm-tools : utilities for the SCUMM game engine ( http://scummvm.sourceforge.net/ )
solarus : An open-source Zelda-like 2D game engine ( http://www.solarus-games.org/ )
stratagus : A realtime strategy game engine ( http://stratagus.sourceforge.net/ )
xzip : X interface to Z-code based text games ( http://www.eblong.com/zarf/xzip.html )
zoom : A fast, clean, modern Z-code interpreter for X ( http://www.logicalshift.co.uk/unix/zoom/ )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a gentoo
For Paludis use this rsync : rsync://gentoo.zugaina.org/gentoo-portage
If you have a problem : ycarus(-at-)zugaina.org