Buy The Devil's Calculator PC key

Unleash Your Inner Mathematician in The Devil's Calculator

Dare to confront the ultimate numerical challenge in The Devil's Calculator, a uniquely devilish puzzle game where arithmetic takes a sinister turn. Forget simple addition and subtraction; here, corrupted operators and obscure functions reign supreme. Your mission? Use your logic and algebraic skills to decipher these twisted operations and compute the infamous 'number of the beast,' 666. Only by achieving this can you purge the demons and advance through the levels.

This open-source and non-profit indie game offers an addicting and educational experience, welcoming both seasoned numberphiles and math novices. The demo provides over 20 levels of fiendish fun, absolutely free! Prepare to be captivated by its originality and the engaging puzzles that await.

Key Features: Decipher, Solve, and Conquer!

Each level presents a tantalizing challenge: decode the function of a mysterious operator and strategically use it to calculate the sacred number. Advanced graphing mechanics and access to helpful resources empower you to interpolate and solve these innovatively designed functions. The Devil's Calculator features creative level design that keeps you on your toes!

As you progress, you'll unlock the ability to create your own levels and tackle challenges designed by other players – including free DLC created by the game developers, educators, and mathematicians. Combined with charming hand-drawn artwork and an engaging story, The Devil's Calculator delivers a truly addicting and gratifying puzzle experience.

A Non-Profit Mission with a Mathematical Twist

The Devil's Calculator is brought to you by Cinq-Mars Media, a 501(c)(3) non-profit organization dedicated to developing technology that supports scientific research related to human safety and education. Their commitment ensures that this innovative technology and research are made available on a charitable basis, making mathematical problem-solving accessible to all.