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Book of Demons

Book of Demons

Thing Trunkpub. Thing Trunk

Book of Demons is a Hack & Slash 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!

Very Positive
$24.99
Dec 13, 2018
Steam ↗
Reviews
8,009
Very Positive
Positive
91.5%
7,331 positive
Followers
40.5K
Est. WishlistsestiProxy: followers × 12 (industry heuristic)
486.1K
Est. OwnersestiBoxleiter method: reviews × 32
256.3K
Est. RevenueestiEst. owners × ~62% of list price
$4M
Price (US)
$24.99
Release
Dec 13, 2018
About

Book of Demons is a Hack & Slash 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

★ Reviews
92%
Very Positive
8,009 total reviews
7,331 positive (91.5%)678 negative
Genres
ActionAdventureCasualIndieRPG
Features
Captions availableFamily SharingFull controller supportRemote Play on TVSingle-playerStatsSteam AchievementsSteam CloudSteam LeaderboardsSteam Trading Cards
Tags
ActionAction-AdventureAction RPGAdventureAtmosphericCard GameControllerDark FantasyDeckbuildingDemonsDungeon CrawlerFantasyHack and SlashIncrementalIsometric
Developer
Thing Trunk
Publisher
Thing Trunk
Platforms
Estimates — owners use the Boxleiter method (reviews × 32), wishlists proxy followers × 12, revenue uses ~62% of list price × est. owners. These are rough industry heuristics, not official data.
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40,508
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2026-06-22: 40,549 followers · 486.6K est. wishlists2026-06-29: 40,538 followers · 486.5K est. wishlists2026-07-06: 40,532 followers · 486.4K est. wishlists2026-07-13: 40,526 followers · 486.3K est. wishlists2026-08-18: 40,520 followers · 486.2K est. wishlists2026-08-29: 40,516 followers · 486.2K est. wishlists2026-09-10: 40,516 followers · 486.2K est. wishlists2026-09-29: 40,508 followers · 486.1K est. wishlists
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Reviews
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2026-06-22: 8,017 reviews · 256.5K est. sales2026-06-29: 8,017 reviews · 256.5K est. sales2026-07-06: 8,016 reviews · 256.5K est. sales2026-07-13: 8,015 reviews · 256.5K est. sales2026-07-20: 8,015 reviews · 256.5K est. sales2026-07-28: 8,015 reviews · 256.5K est. sales2026-08-08: 8,015 reviews · 256.5K est. sales2026-08-22: 8,016 reviews · 256.5K est. sales2026-09-05: 8,010 reviews · 256.3K est. sales2026-09-23: 8,009 reviews · 256.3K est. sales
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