I generally like RPGs the best. Some of my favorite games of all time include Knights of the Old Republic 1 and 2, Baldur's Gate 1 and 2, and NWN.
I also enjoy a good adventure-type (don't know the specific genre name) game, with the Myst series at the top of the list, which is, in my opinion and many others', the greatest adventure game/series of all time. Yes, I haven't beaten even Myst III yet, but they are so fun, and so challenging, and I love the worlds they put you in. Another good part about them is that you can't die.
I also enjoy a good adventure-type (don't know the specific genre name) game, with the Myst series at the top of the list, which is, in my opinion and many others', the greatest adventure game/series of all time. Yes, I haven't beaten even Myst III yet, but they are so fun, and so challenging, and I love the worlds they put you in. Another good part about them is that you can't die.