An Educational Indie Math Puzzler for Lovers of Logic and Brain Teasers

The Devil's Calculator is an intriguing and challenging mathematical puzzler designed for those who love logic and brain teasers. In this unique game, the usual arithmetic operations on your calculator are replaced with obscure and cryptic functions. Your mission is to unravel these enigmatic operators using a combination of logic and basic algebra. By working backward through the calculations, you'll gradually uncover the mysteries hidden within the calculator.

This non-profit and open-source game was created by the same mind behind Synonymy, offering a sophisticated and highly engaging experience. The first 20+ levels are entirely free, making it accessible to both seasoned mathematicians and beginners alike. Each level presents a new challenge where you must decipher the function of a mysterious operator and use it to solve the problem at hand.

The game boasts advanced graphing mechanics, numerous features, and a cleverly designed level structure, providing a rich and immersive gaming experience. As you progress, you'll unlock the ability to create your own levels and tackle challenges crafted by other players, educators, and mathematicians. Additionally, there are free downloadable content (DLC) levels available, ensuring endless hours of entertainment.

Featuring hand-drawn artwork and a captivating storyline, The Devil's Calculator is not just a game but a genuinely rewarding puzzle experience. Whether you're a math enthusiast or a curious learner, this game offers a delightful blend of education and entertainment.

Cinq-Mars Media, the developer behind The Devil's Calculator, is a 501(c)(3) non-profit organization dedicated to advancing technology that supports scientific research in human safety and education. They aim to make this technology and research widely available on a charitable basis.