Can be activated in:
Åland Islands, Albania, Algeria, Andorra, Angola, Anguilla, Antigua and Barbuda, Argentina, Armenia, Aruba, Australia, Austria, Azerbaijan, Bahrain, Bangladesh, Barbados, Belarus, Belgium, Belize, Benin, Bermuda, Bhutan, Bolivia, plurinational state of, Bonaire, Sint Eustatius and Saba, Bosnia and Herzegovina, Bouvet Island, Brazil, British Indian Ocean Territory, Brunei Darussalam, Bulgaria, Burkina Faso, Burma, Burundi, Cambodia, Cameroon, Canada, Cape Verde, Cayman Islands, Central African Republic, Chad, Chile, China, Christmas Island, Cocos (Keeling) Islands, Colombia, Comoros, Congo, Congo, Democratic Republic of the, Cook Islands, Costa Rica, Cote d'Ivoire, Croatia, Cuba, Curaçao, Cyprus, Czech Republic, Denmark, Djibouti, Dominica, Dominican Republic, Ecuador, Egypt, El Salvador, Equatorial Guinea, Eritrea, Estonia, Falkland Islands (Malvinas), Faroe Islands, Fiji, Finland, France, French Guiana, French Polynesia, French Southern Territories, Gabon, Gambia, Georgia, Germany, Gibraltar, Greece, Greenland, Grenada, Guadeloupe, Guatemala, Guernsey, Guinea, Guinea-Bissau, Guyana, Haiti, Heard Island and McDonald Islands, Holy See (Vatican City State), Honduras, Hong Kong, Hungary, Iceland, India, Indonesia, Ireland, Isle of Man, Israel, Italy, Jamaica, Japan, Jersey, Jordan, Kazakhstan, Kenya, Kiribati, Korea, Republic of, Kuwait, Kyrgyzstan, Lao People's Democratic Republic, Latvia, Lebanon, Lesotho, Liberia, Liechtenstein, Lithuania, Luxembourg, Macao, Madagascar, Malawi, Malaysia, Maldives, Mali, Malta, Marshall Islands, Martinique, Mauritania, Mauritius, Mayotte, Mexico, Micronesia, Federated States of, Moldova, Monaco, Mongolia, Montenegro, Montserrat, Morocco, Mozambique, Namibia, Nauru, Nepal, Netherlands, New Caledonia, New Zealand, Nicaragua, Niger, Niue, Norfolk Island, Northern Mariana Islands, Norway, Oman, Palau, Palestinian Territory, Occupied, Papua New Guinea, Paraguay, Peru, Philippines, Pitcairn, Poland, Portugal, Qatar, Republic of North Macedonia, Reunion, Romania, Russian Federation, Rwanda, Saint Barthélemy, Saint Helena, Ascension And Tristan Da Cunha, Saint Kitts and Nevis, Saint Lucia, Saint Martin (French Part), Saint Pierre and Miquelon, Saint Vincent and the Grenadines, San Marino, Sao Tome and Principe, Senegal, Serbia, Seychelles, Sierra Leone, Singapore, Sint Maarten, Slovakia, Slovenia, Solomon Islands, Somalia, South Africa, South Georgia and the South Sandwich Islands, South Sudan, Spain, Sudan, Suriname, Svalbard and Jan Mayen, Swaziland, Sweden, Switzerland, Taiwan, Province of China, Tajikistan, Tanzania, United Republic Of, Thailand, Timor-Leste, Togo, Tokelau, Tonga, Turkey, Turkmenistan, Turks and Caicos Islands, Tuvalu, Uganda, Ukraine, United Arab Emirates, United Kingdom, United States, United States Minor Outlying Islands, Uruguay, Uzbekistan, Vanuatu, Venezuela, Vietnam, Virgin Islands, British, Wallis and Futuna, Western Sahara, Zambia, Zimbabwe
Auto-cannibalism. Demonic Seduction. Occult Rituals. Bloodfeasting Worms. This Book Is A Dungeon has it all and more. This dark, horrific Twine-based dungeon crawler pairs edgy interactive fiction with grisly pixel art and light RPG elements. Prepare to be disturbed, titillated, and savaged by unholy denizens aplenty in your quest to navigate this sprawling narrative-driven labyrinth bristling with otherworldly doom.
Warning: this game will kill you. often.
Part of the intended challenge is in experimenting to see where different paths and choices lead you. It's impossible to experience all of the content in a single runthrough. Experiment, be bold, and uncover your fate, wherever it may lead!
Features:
Experience a grim story-driven horror adventure
Solve cryptic and disturbing puzzles
Die in dozens of horrible ways
Enjoy light RPG elements, including combat and inventory
Discover multiple endings
BONUS: 40,000 word game dev diary
This game is not for the squeamish or faint of heart.
Bonus game dev diary ebook
This Book Is A Dungeon was originally created as an interactive fiction and self-publishing experiment. It was initially launched as a game inside a Kindle book that served as a developer diary documenting the entire process for creating the game from start to finish. As part of the Steam Edition, you can access a free download link for a PDF version of the dev diary within the main menu.
windows Minimum
OS: Windows XP Service Pack 2+
Processor: Intel Pentium 4 or later
Memory: 512 MB RAM MB RAM
To activate the game, you need a Steam Account
Login or register at the official Steam Website and download Steam client
Install and start application, login with your Account name and Password
Click the Games Menu.
Choose Activate a Product on Steam...
Follow the onscreen instructions to complete the process
After the successful code verification, go to the "MY GAMES" tab and start downloading.
News & Updates
2025-06-27
Sunscreen Is Optional, These Deals Aren’t
The summer heat is already upon us and the rising temperatures are coming ahead, but here at YUPLAY prices are going in the opposite direction and are dropping down like mad! Furthermore, we want to deliver even more value to our happy customers and for every purchase made during the promotional period (between 27.06.2025 7:30 CET and 02.07.2025 15:00 CET) that is above 12€ you will score a free game as a gift from us!
Kick Off the New Season with YUPLAY’s Explosive DOUBLE DISCOUNT SALE!
We are starting the new summer season with a blast! If you are ready to boost your discount and get even more value from your favorite game titles, then this limited-time offer is just what you have been waiting for. From 19.06.2025 14:00 CET to 23.06.2025 15:00 CET, we are launching a special campaign that delivers exclusive price cuts across our YUPLAY catalog, PLUS an extra discount on the cheapest one of your chosen games at checkout…