THE COMPLETE POST:
Hi everyone!
I tryied the demo of Gemini Rue and I liked (running game went perfect), and then I bought it in Steam yesterday, but the game doesn't work at all. It appears the next message:
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Adventure Game Studio
There was a problem initializing graphics mode 640x400 (16-bit)
(Problem: 'The requested adapter mode is not suported')
Try to correct the problem, or seek help from the AGS homepage.
Possible causes:
-Your graphics card drivers do not support this resolution. Run the game setup program and try the other resolution. (So why the demo worked and the game not?)
-The graphics driver you have selected (I didn't select anything!) does not work. Try switching between Direct3D and DirectDraw. (How can I do this?)
-The graphics filter you have selected (I didn't select any filter) not work. Try another filter. (How?)
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Please help me, I want to play. Damn Steam...