A game published in Command magazine Issue #47, along with Attila: Scourge O'God, Holiday 1997From the game :'Perfidious Albion is a two-player 'what if' simulation of a hypothetical Napoleonic plan to invade England in the alternative history described in the article of the same name printed in issue no. 47 of Command magazine'.1 hex : 5 miles 1 GT : 1 week Units : divisions of about 10,000 men and corps of about 30,000 to 40,000 - BoardGameGeek