While touring the PAX East exhibition floor, we had the pleasure of seeing two amazing games destined for much success: Limbo and Puzzle Quest 2. David labeled PQ2 a must buy that’s all but pre-ordered for his DS Lite, while I couldn’t stop gushing over Limbo, a simple black and white Xbox Live Arcade 2D platformer that deals in nothing but light, shadow and a pair of beady white eyes ...