Prepare for Battle! Get ready for the latest chapter in one of the bestselling franchises in Xbox history. Navigate every battle and prevail in the face of overwhelming adversity with the official guide. Available only in this Collector's Edition:    * Replica Metal Cog Tag Necklace.    * Two downloadable Gear Packs.    * Downloadable tracks from the Gears of War 4 soundtrack.    * Download code for Gears of War, Gears of War 2, Gears of War 3, and Gears of War 4 eGuides. All-inclusive Single-Player and Co-Op Walk Throughs: Learn battle tactics for every encounter throughout the campaign and get tips for co-op play with detailed, full-game walk through. Extensive Multiplayer Coverage: Hone your combat efficiency with our expert tips, strategies, and stats for every mode and map. Detailed Campaign and Multiplayer Maps: Beautifully rendered maps identify all mission objectives, collectibles, weapons, and ammunition. Never lose your way again. That's Not All: Gripping artwork, riveting background content, and strategy for completing every achievement are included. FREE eGuide: Use the enhanced eGuide for strategy on the go, optimized for a second-screen experience.