€ Complete walkthroughs of No Mercy, Death Toll, Dead Air, and Blood Harvest. € Essential play tips covering movement, combat, and healing. € Exclusive maps of every level denoting the locations of ammunition piles, first aid kits, pain pills, and thrown weapons. € Detailed blueprints for Infected ambushes used for dominating the online competition. € List of all XBox 360 Achievements and tips on how to earn them.