/etc/group contains the line: users::100:games However, there is no games user in the passwd file shipped by baselayout.
the games user/group was punted from default files some time ago on purpose http://sources.gentoo.org/baselayout/trunk/share.Linux/group?r1=3180&r2=3181 http://sources.gentoo.org/baselayout/branches/baselayout-1_12/etc/group?r1=3180&r2=3181