Puzzle Quest wasn't the first puzzle game driven largely by RPG elements, and it won't be the last. That's because Puzzle Quest 2 will be coming to consoles in June, but also because the premise for transforming what is generally a simple, compelling puzzler into a full-fledged role-playing success will undoubtedly be picked up by other developers. Some games like Bookworm Deluxe and quiz-based games have already made the leap similar to Puzzle Quest, and mostly to their benefit. So which other puzzle titles should receive this kind of make-over, or perhaps, which would be best served by the upgrade? This Top 5 Takedown gets puzzletastic.