Lords of the Earth
... that the play-by-email game Lords of the Earth takes about 25 years to play?
... that the <a href="./Play-by-mail_game" id="mwAcM" rel="mw:WikiLink" title="Play-by-mail game">play-by-email game</a> <i id="mwAcQ"><b id="mwAcU"><a href="./Lords_of_the_Earth" id="mwAcY" rel="mw:WikiLink" title="Lords of the Earth">Lords of the Earth</a></b></i> takes about 25 years to play?