Book of Demons EU:
Book of Demons is a hack-and-slash dungeon crawler with a unique and stylish card-based combat system. Set in a dark and dangerous world, players explore a series of procedurally generated dungeons filled with demons, traps, and treasures. The game's visuals are reminiscent of a pop-up book, creating a visually striking and charming experience.
Players take on the role of a hero who ventures into the dungeon to rescue a kidnapped soul. As you progress through the game, you will use a variety of cards to cast spells, attack enemies, and defend yourself. The combat system is simple yet deep, providing a tactical challenge as you manage your cards and plan your attacks.
With a variety of character classes, enemies, and dungeon layouts, Book of Demons offers endless replayability, challenging you to push deeper into the dungeon and uncover its dark secrets. The game also features a dynamic difficulty system that adapts to the player's progress, keeping the experience fresh and engaging throughout.
Key Features:
- Unique Card-Based Combat: Use cards to perform actions such as attacks, spells, and buffs. Build your deck and strategy as you progress through the game.
- Pop-Up Book Art Style: Enjoy a visually distinctive art style that makes the game world look like a living, animated pop-up book.
- Dynamic Difficulty: The game's difficulty adapts to your playstyle, offering a balanced challenge that suits both beginners and experienced players.
- Character Classes: Choose from different character classes, each with its own playstyle and abilities. Customize your hero’s deck to match your preferred combat strategy.
- Endless Replayability: With procedurally generated dungeons, no two playthroughs are the same. Discover new layouts, enemies, and treasures every time you play.
- Challenging Boss Fights: Face off against powerful demons and bosses in epic encounters that will test your deck-building and combat skills.
- Upgrade and Customize: Earn experience and upgrade your hero’s abilities, deck, and equipment to become more powerful as you progress through the dungeon.
- Co-op Multiplayer: Team up with friends in cooperative play to explore the dungeon together, strategizing and combining your strengths to defeat enemies.
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Download the Steam Client here.

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Log in to your Steam account and click on Games > Activate a Product on Steam.

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Click Next when you see the Product Activation pop-up.

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Please Agree the Steam Subscriber Terms.

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In the ‘Product Code’ section, enter your unique code that’s displayed on the ‘Order’ page of your D2Games account or on the link of your confirmation email if you had purchased as a guest and follow the prompts to activate.

System Requirements:
Minimum:
- OS: Windows 7/8/10 (64-bit)
- Processor: Dual Core 2.0 GHz
- Memory: 4 GB RAM
- Graphics: Intel HD 4000
- DirectX: Version 11
- Storage: 2 GB available space
- Sound: DirectX compatible sound card
Recommended:
- OS: Windows 10 (64-bit)
- Processor: Quad Core 3.0 GHz
- Memory: 8 GB RAM
- Graphics: NVIDIA GeForce GTX 660 or AMD Radeon HD 7870
- DirectX: Version 11
- Storage: 2 GB available space
- Sound: DirectX compatible sound card
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Understanding Age Ratings:
3+: Suitable for all age groups.
7+: May contain some elements that could be frightening for younger children.
12+: May include mild violence, language, or suggestive themes.
16+: May contain more intense violence, strong language, or sexual content.
18+: Reserved for adult audiences only, with content that may include extreme violence, sexual themes, or explicit language.
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