Take a look here and you'll see I've committed a couple of special techs and civ bonuses: http://trac.wildfire...changeset/12748 Basically, many of the civ bonuses can be done with technologies. And there are many more technology effects being added all the time: http://trac.wildfire...chModifications Eventually, a real tech tree will be designed, and then using the civ profiles (e.g. the Athenians) each faction will pick and choose from the standard tech tree, especially regarding economic tech