GameSpy - "Accessible." Did you just lose all interest in any game I'm about to talk about? Well, prepare for a sudden and surprising reversal: this article is about some of the least accessible games around. If you're looking for a gaming experience that'll put you through the meatgrinder and mash your brain until it looks like thoroughly used chewing gum, as you walk through the fire of learning its complex mechanics and nuances over a period of months, PC gaming is practically a gold mine. And mastery? Years. Here are a few of the best, why they're worth spending your blood, sweat, and time on, and a few tips for what you can do to get a running start when you first start out on the long, hard path to glory.