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What resolution are you using to play GK series. Display is chocky and blurry. I have a Nividia GTX 650, and windows 10. My desktop resolution is 1920 X 1080.
It shouldn't be - because it should emulate the "game screen size" - so even if your screen is 1920x1080, it will emulate 640x480 (or whatever GK1 runs at).

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