Dcode.fr is a versatile, free website offering extensive tools for crafting puzzles, suitable for all skill levels. It features cryptography tools like ciphers, mathematical resources for equation solving, and wordplay options for games. This comprehensive platform empowers users to create, verify, and customize engaging puzzles for everyone.
The “Hac-Man” game returned for its third year at DEF CON, featuring 103 challenges across various tracks, including ciphers, radio technology, and social interactions. This year, prizes were predominantly hacker tools. Players navigated through tutorials, mazes, and physical puzzles, culminating in decoding a message. Contributions from collaborators enriched the experience significantly.
Our regular Puzzle Tool Highlight series is a collection of short posts highlighting useful tools that we regularly use in our puzzlecraft. Each post details a single or small collection of similar tools that can be used to create or enhance puzzles. We hope you enjoy...
Continuing with our wildly-popular "Hac-Man" theme that we introduced last year at DEF CON 30, I)ruid again collaborated with lots of hackers to produce Hac-Man for a second year! Using a vastly upgraded version of our Scramble gaming platform over the previous year,...
Pyramid Scheme was back for a second year at the Bitcoin 2023 conference! If you are unfamiliar with this game, please do take a look at our walk-through of the first iteration of the game from last year. We won't be covering all of the details of the theme or how the...
Many types of puzzles have visual elements to them. From literal jigsaw puzzles that display an image when completed to marketing campaigns with hidden meaning through iconography and subtle placement of visual elements, embedding puzzles into artwork is a natural fit...
There's been a lot of hype around AI systems in the past year or so, and rightly so. Some of these AI systems, such as the ones creating amazing digital art like DALL-E 2 and the more recently released conversational AI, ChatGPT, both from OpenAI, are downright...
Wednesday, the new Tim Burton detective mystery thriller on Netflix centering around Wednesday Addams (yes, from the Addams Family) being sent to boarding school, is chock-full of Edgar Allen Poe references, both overt and some more subtle. Edgar Allen Poe, one of the...
For the Pacific Bitcoin 2022 conference we created a short game that followed a surfing narrative, as surfing was also a central theme of the Santa Monica, California based conference. Upon registering and logging into their accounts on our Scramble gaming platform...
I)ruid has been bringing challenges and puzzles to DEF CON himself for over two decades, and under the Rogue Signal brand for nearly half of that time. This year, for DEF CON 30, we significantly upped our game by building and branding a custom Scramble! game...
After Dustin D. Trammell's little puzzle for the Bitcoin 2021 conference was so well received (albeit by a small number of players), Dustin decided to build a much larger, more in-depth and complicated puzzle and challenge game for the following year, Bitcoin 2022....
After ariving late in the evening the day before the Bitcoin 2021 conference, I was unable to sleep, so I decided to create and host a puzzle for the conference with a Bitcoin prize. I utilized my Twitter account to announce and post clues to the puzzle. This is a...