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21X - Limited Edition: Late Pledge Store

Created by Naylor Games LLC

A new maths-puzzle card game, featuring cards by renowned mathematicians and communicators. A numbered edition, produced only once.

Latest Updates from Our Project:

2X Funded + Foil box unlocked + Tom Crawford's card!
over 1 year ago – Fri, Sep 29, 2023 at 04:45:40 AM

We're just over the 24 hour mark and we've well passed double our goal!

Stretch goal 1 unlocked!

Late last night we breezed through stretch goal 1: the foil box detailing. That means 21X's gorgeous maths-inspired pattern will now be highlighted in an elegant metallic effect: really doing justice to our graphic artist's fantastic design. 

Stretch goal 2 will enhance the box even more by giving that logo a reflective glow to catch the light. And it now looks like it might be in reach!

Tom Crawford's card revealed

Our next celebrity custom card is here! This time it's from the one and only TomRocksMaths:

Tom Crawford's card

Tom's card is the Xth digit of Euler's number. To say that Tom is a fan of Euler's number would be an understatement - its tattooed on his body!

How the card works

The card has the same value as the Xth digit of Euler. So if X is currently 3, the it has the same value as the 3rd digit of Euler: 8. But if you choose 4 for the value of X, it will fall to 2: the 4th digit. 

As well as being an important number in mathematics in general (especially to logarithms) and to everyday issues like compound interest, it's a fun and tricksy card. The sequence will see X pop-up and down quite wildly - although thankfully always in single digits! 

Article by Katie Steckles

Katie Steckles posted a fantastic article about 21X on Aperiodical. It also included some 21X inspired puzzles! Enter the competition and you could win a prize!

Thank you again for your support,

Jaya & James

We're 1X funded!
over 1 year ago – Thu, Sep 28, 2023 at 08:20:44 AM

We've funded!

3000 is a pretty useless number as far as winning a game of 21X goes... but as far as making the game goes, we're off to a flying start!

Thank you so much everyone for your early support. These first steps are the most important.

Which means we can now start talking about stretch goals! The first of which is:

This limited edition run is going to be top quality - and this metallic foil detaling all over the box will make it even better. We're determined that 21X will always get a reaction when you pull it out of the bag. Let's get that foiling!

There's more where that came from. But word of mouth is the most powerful tool to get us there. So if you've got a friend who would enjoy 21X, let them know!

Thank you again for your support,

Jaya & James