Cross-posted on gamasutra [http://www.gamasutra.com/blogs/LarsDoucet/20110822/8248/RPGs_challenge_and_grinding.php] . As part of an ongoing series on our upcoming tactical RPGDefender's Quest [http://www.defendersquest.com/], I'd like to talk about RPG's, challenge, and "grinding." Let's start withaccessibility. Accessibility Accessibility is about expanding your