ports/games/opentyrian/pkg

+-----------------------------------------------------------------------
| Running ${PKGSTEM} on OpenBSD
+-----------------------------------------------------------------------

In order to play the game you need the data files from Tyrian.
To install these data files systemwide, you can build and install the
games/opentyrian-data port.

Alternatively, you can manually download the files from:
    https://www.camanis.net/tyrian/tyrian21.zip
and manually install them:
    unzip -j -d ${TRUEPREFIX}/share/opentyrian tyrian21.zip