Get the cheapest digital key for Black 4 Blood: Annual Pass on Driffle. The Black 4 Blood: Annual Pass offers players three thrilling expansions, each packed with new content, characters, missions, and enemies. With these expansions, you'll dive deeper into the action, face off against new challenges, and explore fresh locations. 

Key Features

Expansion 1: Tunnels of Terror

• Ridden Hives: Explore the labyrinthine Ridden Hives beneath Evansburgh, filled with new mutated creatures hunting you down.
• New Playable Characters: Two new characters join the fight, each with their own unique abilities.
• Legendary Weapons & Skins: Discover powerful new weapons and customize them with 12 new weapon skins.
• Warped Ridden: Face off against the terrifying Warped Ridden, new mutated enemies lurking in the depths.
  
  

Expansion 2: Children of the Worm

• New Campaign Story (Act 5): Immerse yourself in the new story campaign, featuring the mysterious Children of the Worm.
• New Playable Character– "Prophet" Dan: A new character with unique abilities to help you tackle new threats.
• Exclusive Skins & Weapons: Unlock 12 exclusive 8-bit weapon skins and 8 pre-collapse character skins.
• New Enemies: Encounter the dangerous Children of the Worm, adding fresh challenges to your missions.
  
  

Expansion 3: River of Blood

• New Campaign (Act 6): Travel upriver on a new 5-map mission, collecting supplies and battling new enemies along the way.
• Meet Tala & Jeff: Play as Tala, a former cultist turned Cleaner, and her companion Jeff, a Tallboy summoned to wreak havoc when needed.
• Exclusive Skins & Weapons: Unlock 8 new character skins, 12 weapon skins, and new accessories to enhance your arsenal.
  
  

How to Activate

1. Launch the Steam client software and log into your Steam account.
2. Click on the Games menu option at the top of the Steam client.
3. Choose Activate a Product on Steam.
4. Follow the onscreen instructions to complete the process.
   
   

The Black 4 Blood: Annual Pass provides three action-packed expansions, each offering new content to keep the gameplay fresh and exciting. From battling mutated enemies in the depths of the Tunnels of Terror to uncovering new storylines in Children of the Worm and River of Blood, these expansions bring a wealth of new challenges, characters, and items to enhance your experience.