The Left 4 Dead 2 gang's back together in Zombie Army 4. Season Pass owners will also receive the Horror Headgear Pack, the Horror Charm Pack 2, Van Helsing Weapon Skins, and Flat Gun Weapon Bundle - all detailed more thoroughly in Rebellion's latest patch notes. This final episode is part of Zombie Army 4's new Return to Hell Pack, which is included in the game's Season Pass 3 (costing £29.99/€34.99/ $34.99 USD) or available to purchase separately for £5.59/€6.99/$6.99.