Either:
a) use Pete's D3D plugin (which enables you to adjust the gamma when you choose the graphics device (top-right button I think)
b) Most video card drivers allow you to adjust the gamma without actually changing it for the monitor. (I.e. Nvidia's drivers do)
c) Adjust your monitor.
d) Play in a dark room (not recommended)
If anyone else has any suggestions?
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A roast dragon for lunch.
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