Hardened Edition includes: - Limited Edition 2-Sided SteelBook - 2 Collectible Challenge Coins - Official Soundtrack by Jack Wall with Theme by Trent Reznor - Exclusive PlayStation 3 Dynamic Multiplayer Theme - Exclusive PlayStation 3 Dynamic Zombies Theme In-Game Content - Nuketown Zombies Bonus In-Game Content - Nuketown 2025 Bonus Multiplayer Map - Exclusive Weapon Camo - Exclusive Multiplayer Player Card Background - Exclusive Zombies Player Card Background