Mike Smith of Yahoo writes: Think you're good at games? Sure you do. Who doesn't? The only thing gamers love more than playing is bragging about their skills. If you can brag about beating all 10 of these terrors, however, you're in a league of your own. It's one thing to be able to bust out a decent score at Bejeweled or dominate a Call of Duty match, but quite another to finish this set of video gaming's most challenging releases. Some are new, some are old, and some are somewhere in between. But they have one thing in common: they're all so hard they'll make your thumbs bleed. Grab a box of Band-Aids, and read on.