What makes Book of Demons stand out is the number of twists in the basic gameplay mechanics, paper cut-out graphics, a dark theme intertwined with a fair dose of humor, and most importantly – the unprecedented accessibility.

The hallmark of Book of Demons is the character development mechanic – the game supersedes the usual hack and slash statfest with a single solution, a card system. Players will collect, upgrade and combine skill cards to compose their own decks of powers. Sounds pretty simple, however there is no ultimate card set that fits all the situations - to survive, gamers will have to constantly come up with new strategies and implement regular adjustments to their skill collections.

The second feature which greatly increases Book of Demons’ ease of play is the possibility to select the length of each quest, so players can choose if they would like to embark on a longer, more epic journey or take on a 5-minute mission. Shorter missions do not mean they are easier, though - thanks to the Flexiscope™ system, players will always experience the same intensity of gameplay, no matter the length of current quest.   

The day one features of Book of Demons Early Access will include all the core mechanics, the whole single-player campaign, and the Freeplay mode, but will lack some of the content like character classes, skill cards or enemy types. Thing Trunk plans to add those features gradually during the Early Access period and release the final version of Book of Demons.

The regular price of Book of Demons Early Access has been set to $19.99, but currently there's a time-limited discount at Thing Trunk's website which allows players to secure their Steam keys for $17.99. Thing Trunk also offers something for players not really interested in beta testing who would like to support the development of Book of Demons - there's an option to pre-purchase the game for $14.99 ($5 off retail price) and receive it during the final release once it is fully completed.

Book of Demons puts players in charge of one of 3 characters taking part in an epic, but humorous, quest to save Paperverse from total destruction. While the game facilitates the player in every possible way, the quest itself surely is not a piece of cake. To defend the world from ultimate devilry, players will have to explore procedurally generated dungeons, confront over 70 monster species and fight a brigade of evil bosses, including the nasty Archdemon. If someone wants to hang out in the catacombs a bit longer, well, of course he can – there's a Freeplay mode where players can master their favorite quests and rise to the challenge by completing the game on higher difficulty levels.