Rock, Paper, SHOTGUN got a deeper look at Civ VI than just the launch trailer and it is hard to say if this will be a good one or not.  The armies will continue to be unstackable but they have created formations, allowing you to group a number of units to move together which will lessen the onerous task of moving your armies around.  This may help somewhat but we shall see how they deal with terrain and path calculation.  The unstackable trait will now infect cities, buildings no longer stack on top of your city but will be laid out on the map just like improvements.  No longer will you be sending out workers to build farms as you have in previous games, instead they will be working on upgrades from your city menu.

Research is now not only geographically based but also reliant on certain resources or upgrades; if they are appropriate your research will go much faster.  Diplomacy and the AI have also been changed.  There is not enough information yet to make a call but so far the news is worrying and it seems unlikely devoted fans will move away from Civ IV and its mods.

"The game is running on a brand new suite of software, built to be far more mod-friendly than its predecessor, and as well as brand new AI systems, there are a host of new mechanics that will explore and emphasise your relationship with Civ’s greatest character: the map."

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