There has been another 'House Rule' that I have thought of recently. No experience (that I know of) in this myself, but others have expressed frusturation with the 'Multi-Game Trade' (heck, call it MGT for short). Example: Player 1 trades for tech in game 1 with player 2, but the trade is that player 2 give player 1 tech in game 2 which they are also both in. (ie, I'll give you ppbV in XX1game if you give me NullSpace III in XX2game...deal??). Please guys, avoid this!!! Treat every game as a 'seperate world'...Alliances sometimes go this way as well...Just cause I happen to be allied with Puke in one game dosn't mean I'll go easy on him in another game

...Same thing for defeat..Just cause Spoo/Peoples Empire of Night rocked my world in one game does not mean I'll be out to get them in every game I see them in....(or will it??

).
Just some things to think about when creating a game....and why some players do the inexplicable.
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"And what the hell would you know about sanity?" demanded Beatrice. "There are depressed lemmings on the edge of cliffs who've got a better grasp on reality than you have. And more common sense."--Simon R. Green 'Deathstalker Rebellion'.
"We are all...the sum of our scars"....(paraphrased) Matt. R. Stover-'Blade of Tyshalle'.