The Puzzle that started it all. A literary reference, a crash course in Epigraphy. The Game's Afoot!

Difficulty: 5 / 5

For people who get the Wordle on the second guess and complete the weekend crossword in ink.

Difficulty: 4 / 5

"I saw in a dream a cube where all elements rotated into place as required."
— Mendeleev, as misquoted by Inostrantzev

Difficulty: 3 / 5

An homage to the great man himself. Capturing the simplicity and genius of the mechanism that has brought wonder to millions over the last five decades. 

Difficulty: 2 / 5

A daily challenge and the ultimate desk candy. The last calendar you will ever need or the best reminder of the most important dates.

Difficulty: 1 / 5

A token of our appreciation for all the wonderful people that decided to help fund our kickstarter at this level. These will only be available during the kickstarter campaign.

Individually marked with each Backers's ID

Difficulty: ∞