+=head1 OPTIONS
+
+=over
+
+=item B<--include-version>=I<version>
+
+Only consider games played on this version of NetHack. Can be
+specified multiple times to include multiple versions.
+
+=item B<--exclude-version>=I<version>
+
+Do not consider games played on this version of NetHack. Can be
+specified multiple times to exclude multiple versions.
+
+=back
+
+If a version is included and excluded at the same time, games played
+on that version will not be considered.
+