Whoever said that the definition of insanity is doing the same thing over and over again and expecting different results has obviously never had to reboot a computer.
otherwise known as: did you try turning it off and on again?
It is quite hard to choose between them, but I think you cannot go wrong with the classic Chess. I has been played for a long, long time so seeing it accessible is wonderful
I do not really use the arrow keys or NUMpad so I would be happy enough to use one - as long as the keys are not too noisy that drives me a bit silly :)