It turns out there is a mega-version of civilization, with up to 16 or 18 players or something, with adapted rules and additional map regions including the far east. We will check this out tomorrow. We will scan and make a couple of homemade HotW (unless we can find additional versions on ebay.
RoR is a great game, probably my favourite of the ones mentioned here. With five or six players it is a gem of a game. There was once a nice article in AH''s General magazine on 100 ways to loose in RoR. Nice way to show how much depth there was in the game.
As you say the rules are not easy and I think it would be more difficult for the students to understand the rules than the history behind the games
