Since I have been working away on tweaking the random map generation to make it generate "better" looking maps on a grander scale scale...just let me say 210x420 is too big (my opinion) I am finding anything above 150 X 300 becomes tedious even with civs set a32...increasing movement rates etc...sure you can do it...but.....
Essentially your just eating memory to give you the same game...tripe map size...triple movement kinda cancels each other out
The above staments are purely the opinion of the author and in no way reflect any remotely sane
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I'm not paranoid I KNOW they're watching me
EdCase