Spaceships is a three-dimensional version of the familar game of
Battleships. It was devised and the first
ruleset written by Sion Arrowsmith;
the version presented on these pages has been fairly heavily modified
by me (Ian Jackson).
Available on this page
- The explanation of the rules (HTML
- The formal specification of the rules in
and the SGML source.
- The playing grid as
- The package containing the source
files and the miniature SGML processing system used for the formal
rules. This is also available here in an unpacked and compiled form.
- Support programs - the SGML processing
system requires the use of the `nsgmls' SGML parser, part of James
Clark's sp package, and
SGMLSpm (from CPAN or in Debian).
The terms of the GNU GPL (see below)
require me to distribute those here. You would be better off,
however, installing versions of each obtained from their official
- You can play on-line here too:
The informal rules are Copyright (C)1997 Sion Arrowsmith and Ian
Jackson. The other Spaceships materials here (including the grids,
formal rules, and SGML processing system) are Copyright (C)1996-1997
Ian Jackon; SGMLspm is Copyright (C)1994,1995 David Megginson. These
are all released under the terms of the GNU General Public Licence, which
requires that you give the source code away with each copy you
SP is Copyright (C)1994, 1995, 1996 James Clark, and has a BSD-style
licence. Download and consult the SP source package for details.
Note that there is no warranty for any of this.
 Battleships may be someone's trademark.
Ian Jackson /
Campaign for a non-browser-specific WWW