I've played every Batman Arkham game from the debut title, and each one has been an overall solid experience. We're at a point in gaming consumerism where almost all games are good. That's the absolute baseline here. Go ahead and look up a list of the most disappointing games of the PS3/X-Box 360 generation. Most of the games on the list are at worst, mediocre. They aren't disappointing because they're terrible games (usually), they're disappointing because, well, they didn't meet the overhyped expectations. My point is, the Batman Arkham series has a general standard of quality, and comparing a new title to previous ones is usually just a moot point- picking nits, and such.