Book of Demons is a Hack & Slash Deck-building hybrid in which YOU decide the length of quests. Wield magic cards instead of weapons and slay the armies of darkness in the dungeons below the Old Cathedral. Save the terror-stricken Paperverse from the clutches of the Archdemon himself!
Recent Reviews:
Very Positive (69) - 85% of the 69 user reviews in the last 30 days are positive.
All Reviews:
Very Positive (5,270) - 92% of the 5,270 user reviews for this game are positive.
Release Date:
Dec 13, 2018

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Important: If you already have Book of Demons in your library and want to upgrade to the Supporter’s Pack version, please purchase the Book of Demons to Supporter's Pack Upgrade Bundle.

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Includes 2 items: Return 2 Games Supporter Pack, Book of Demons


Recent updates View all (61)

April 15

Speedrun to the Cook!

Those of you who have been waiting for more opportunities to compete with other players will be happy to read that today's update introduces Speedrun to the Cook!

Sounds great, how can I participate?

Everyone is invited. All of you who will start a new game in the Normal mode are now eligible to enter speedrun leaderboards. The clock starts right after you enter the Town for the first time and stops when you defeat the Cook. But be warned - the timer does not stop during the visits in the Town so cut your shopping sprees short!

All you have to do is find the optimal card build per class, decide the best length of the quests and fight your way down as fast as you can!

What the future holds

If you remember the Book of Demons' roadmap update, we mentioned that we would like to show you the Book of Demons original prototype. It was left for quite long and grow some mold on it so first we will have to dust it off a bit. However once ready, it will be added to Collectors' Content pack.

Digital Dragons 2018

We are also thrilled to announce that Book of Demons got nominated for a prestigious Digital Dragons 2018 award not in one but in three categories! Including "The best Polish game of 2018" alongside Frostpunk and Thronebreaker! Whaaaat!

:rarestone: Best Polish Game
:rarestone: Best Polish Game Design
:rarestone: Best Polish Game Art

We will know the winner at the end of May, but even being nominated is an awesome honor! Fingers crossed!

In the other news

As we mentioned in previous posts we are preparing to move to larger offices since our old building is being demolished sometime soon. Our search was fruitful. As you can see in the picture above, the new space is aaaalmost ready :archduck:

As usual, the update brings a bunch of fixes and changes, and here is the full list:

Changelog for Version 1.01.18203 (15th April 2019)
  • Speedrun to Cook
  • Fixed portal still being active after closing a game
  • Made the achievement "Tis' but a scratch" unlock automatically for players who have had already met requirements before they changed in the previous update
  • Added more supporters to credits
  • Updated translations
  • Fixed a few typos

Official Discord Channel

If you don't feel like posting on the steam community but would still get in touch with us or other players we have an official Disord channel for you. We are trying to hang out in there as often as possible :archduck:

Anyway, without a further ado, here is the invite link:

Speedrun safe through the paper dungeons! :archduck:
Margaret :paperheart:
5 comments Read more

April 1

MMO RPG expansion is here!

Today is the day we go public with a piece of super exciting news! We are thrilled to announce that Book of Demons is getting Massively Multiplayer Online Role-Playing expansion! Tell your friends and join the adventure in an ever-changing World of Dungeoncraft.

We know you always wanted to continue your adventure in the Paperverse in a more crowded manner. One recurring request during Early Access was to add multiplayer to the game. After some research, it became obvious that it would require rewriting all the 353,241 lines of code from scratch.

Luckily, our crack team of engineers figured out that we can save a lot of time by using CTRL+H and changing all instances of "singleplayer" to "multiplayer". And while we were at it we added "massively" and here we are!

One of the issues raised by the community in the context of multiplayer was how to fit all the heroes on a single path? Our crack team of designers yet again came up with a brilliant solution! MMO games are all about players' agency and emergent gameplay and other buzzwords so we will let players figure out how to move (also because the crack team of designers is still stuck on the first level trying to open the first chest).

Core features
  • Discover countless paths to greatness
  • Share your path with your friends
  • Form powerful guilds and build guild highways
  • Become a businessman and gather toll from other players
  • Embark on epic quests to slay world bosses - confront the Cook, Antipope, and Archdemon with others
  • Inventory shared with all other players in what we call Inventory Royale mode
  • Stay in exciting lines in order to attack a world boss
  • Join impressive queues in an attempt to farm & craft
  • Vigorously block your enemies' path in Battle Royale areas
  • Enjoy our novel PvB (player vs bug) mode in selected areas
  • No subscription plan required
  • In planned expansion choose the opposing faction; become the Archdemon and build the dungeons for other players (only one copy of the expansion available since there can be only one Archdemon, first come first served).

Looking forward to hearing your thoughts and feedback!

Stay safe in paper dungeons this April Fools' Day :archduck:
28 comments Read more


“Nostalgia without disappointments, frustrations and huge time investments - that’s the ambitious goal of Book of Demons, at once a parody and a tribute to the original Diablo, made in cute paper cut-out graphics.”
Rock Paper Shotgun

“Book of Demons aims to fuse the strategy and depth of Diablo with the style and charm of Paper Mario by using a unique movement and combat system, more accessible action-RPG mechanics, and a fair dose of humor intertwined with its dark theme.”
Game Informer

“Book of Demons is bound to entice newcomers to the genre as well as a long time action RPG fans who have been longing for a different kind of dungeon crawler.”


About the Supporter's Pack

To learn more about the Supporter’s Pack click here.

If you already have Book of Demons in your library and want to upgrade to the Supporter’s Pack version, please purchase the Book of Demons to Supporter's Pack Upgrade. This product only works for owners of the game. If you wish to support us and buy the game and Supporter’s Pack as one, please purchase the Return 2 Games Supporter Pack.


Want to try Book of Demons without any commitment? Click here to try the free Demo.

About This Game

Book of Demons is a Hack & Slash Deck-building hybrid in which YOU decide the length of quests. Wield magic cards instead of weapons and slay the armies of darkness in the dungeons below the Old Cathedral. Save the terror-stricken Paperverse from the clutches of the Archdemon himself!

Procedurally Generated Dungeons
Roguelike Mode for fans of extreme challenge
70+ different types of monsters, with different traits and custom mechanics
Xbox and Steam controller support
Dungeons & Streamers - Twitch and Mixer integration
Monthly and all-time Leaderboards, 200+ Achievements

Book of Demons is the first installment of Return 2 Games - a series of original mid-core titles, inspired by the early golden days of PC gaming.

Cards and Deckbuilding

It’s not a card game, but items, spells, and skills are all expressed as cards. The strategy lies in adapting your hand to each situation. Cards can be upgraded with runes and you can find many variants with diverse bonuses. Legendaries are the most epic but hard to acquire.

Tailored sessions with Flexiscope

Book of Demons respects your time. It features the Flexiscope engine which allows you to divide the game into sessions of any size. It even learns your pace of gaming and predicts the time to complete the next session.

Unique Mechanics

Simplified movement and fight mechanics is where Book of Demons differs the most from other hack & slash games. There is often not enough time to click-remove all of the obstacles such as monster shields, enemy spells, poison, or knocked cards, so timing, card selection and order of execution are critical.

Hack & Slash in the world of Paperverse

Book of Demons takes place in Paperverse, a world that exists entirely inside a pop-up book.
It’s a tale of good and evil about saving the world from the ultimate devilry. Sounds familiar? Inspired by the dark and gloomy atmosphere of the first Diablo game, Book of Demons is part tribute part parody of hack & slash classics.

Comfort of Gameplay

Many Book of Demons features were designed with gameplay comfort in mind. Points of interest are marked at the top of the screen and get revealed once you get closer. Your character leaves footprints, which can be used to track your way back or notice paths already visited without opening the map.

Challenging Endgame

On average it takes about 10 hours to complete the campaign with a single class, but maxing out a character and mastering all of the higher Freeplay difficulty levels and Quests takes much longer. The Roguelike mode offers another level of challenge with permadeath, restricted healing and even more obstacles to overcome.

Dungeons & Streamers

System Requirements

Mac OS X
    • OS: Windows 7, 8, 8.1, 10
    • Processor: 1.7 GHz Dual Core or Greater
    • Memory: 2 GB RAM
    • Graphics: 512 MB DirectX 9.0c compatible graphics card
    • DirectX: Version 9.0c
    • Storage: 1 GB available space
    • Sound Card: DirectX 9.0c compatible
    • OS: OSX 10.12+
    • Memory: 2 GB RAM
    • Graphics: Open GL 3.3+ Compliant
    • Storage: 1 GB available space

What Curators Say

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