ModeID 2 is best to me because my monitor native resolution is 1600x900.
In fullscreen mode i can play 1280x1024 but in window mode frame and tiny part of game screen is beyond display. And in that case mouse cursor is not in the same place where game recognise my mouse "click".
Most players use ModeID 3 - it works fine on monitor's 1080p
You should check which modoe is best for you.
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