Dark Sceptre
...that players had to submit their turns by ZX Microdrive cartridge in the play by mail version of video game Dark Sceptre?
...that players had to submit their turns by <a href="./ZX_Microdrive" id="mwFSU" rel="mw:WikiLink" title="ZX Microdrive">ZX Microdrive</a> cartridge in the <a class="mw-redirect" href="./Play_by_mail" id="mwFSY" rel="mw:WikiLink" title="Play by mail">play by mail</a> version of <a href="./Video_game" id="mwFSc" rel="mw:WikiLink" title="Video game">video game</a> <b id="mwFSg"><a href="./Dark_Sceptre" id="mwFSk" rel="mw:WikiLink" title="Dark Sceptre">Dark Sceptre</a></b>?