SlackBuildsOrg/games/marathon-evil-data

marathon-evil-data (game data for use with alephone)

Marathon: EVIL was the first conversion for Marathon Infinity, and
is regarded as one of the scariest and finest.

Marathon: EVIL features a few new weapons and monsters.

Included in the package is a shell script wrapper. Type "marathon-evil"
or select Marathon EVIL from the KDE or XFCE "Games" menu.

To install the gamedata in /opt instead of /usr to save space in the
root partition use use:

  OPT=yes ./marathon-evil-data.SlackBuild