These ebuilds come from https://github.com/zabuldon/psix-overlay.
If you have some problems, go to the official site first.
vcmi : Heroes of Might and Magic III game engine rewrite ( http://forum.vcmi.eu/index.php )
vcmi-data : Core data for vcmi ( http://forum.vcmi.eu/index.php )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a psix
For Paludis use this rsync : rsync://gentoo.zugaina.org/psix-portage
If you have a problem : ycarus(-at-)zugaina.org