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I think Gamefreak tackled overworld Pokemon in a pretty bad way. They already look goofy in such a small scaled overworld, but the other issue is that they just wander around aimlessly. I liked the idea of overworld Pokemon, but having them just walking around so you can run into them is pretty boring. I know you can't make individual AI for that many Pokemon, but having them at least do something would be nice - there should be some Pokemon that are aggressive and run at the player, some that are scared and try to run away, etc. Granted, this behavior would not really work well in such a small-scale map, which brings us back to needing a more expansive overworld again.
