Batman vs. LEGO Batman

GamerDad writes: "As everyone should know by now Batman: Arkham Asylum has entered my "Best Games Ever" like a bullet – or like a more Batarang appropriate projectile. I love every inch of it, including the challenges and feel the game is vindication of the very idea that Writing and Voice matter so much more than Game Developers THINK it does. Scary stuff – quality – Rated Teen. Nice! And Lately I've been playing LEGO Batman with my son. Good teamwork, good fun, but I realized something – LEGO Batman is a million times more challenging that Arkham Asylum! Isn't that weird? I think I've figured out why:"