Join Twelve in this award-winning game that takes you on a journey through a universe of numbers. Only you can help save the crumbling world of Dozenopolis!

Download today and subscribe for new games and expansions every single month.

“9/10 - A brilliantly put together platformer with a mathematical twist.” -

**Winner - Develop 2015 - Best Education Game**
**British Academy (BAFTA) Games Awards 2015 Nominee - Best Family Game**
**Pocket Gamer Awards 2015 Nominee - Most Innovative Game**
**Gold Award Winner - International Serious Play Awards 2015**

Twelve sets off on an adventure to rescue her family following a cataclysmic event that befalls the town of Dozenopolis. Solve math puzzles to help Twelve and her companion Dot as they explore their new world and take on the destructive Ultimate Prime.

- 50 levels of epic platforming adventure.
- Challenging puzzles to solve as you journey through their world.
- Core math concepts (from negative numbers and factoring all the way through to algebraic order of operations) presented in an engaging and meaningful way.
- Stunning art and a captivating story that appeals to all ages.
- Charming voice-over provided by British comedian and actress Lucy Montgomery.

- “I felt increasingly optimistic about the future of education. The game is fun.” - Forbes
- “If your children don’t like this, I’ll eat my iPad.” - The Sun on Sunday
- “Twelve a Dozen isn't just an unexpected gem for all ages... it's an absolute diamond”. - Jay is Games
- “A challenging title for players of any age.” - Mobile Entertainment
- “Subtly teaches.” - Joystiq
- “Twelve a Dozen is a perfect example of educational games gone right.” - Killscreen Playlist Selection
- “The first badass educational game.” - GOOD Magazine
- “It’s like a maths teacher had a baby with World of Goo.” - Marmalade, iOS Store Review
- “My kids are playing right now. I just heard, ‘I need a subtraction valve’” @jenn_cake

Touch Press Games - All Access Pass is a subscription service that gives access to ALL Touch Press Games titles, with a brand new game added each month.

- Subscribe for $4.99/€4.99/£3.99 per month
- Payment will be charged to iTunes Account at confirmation of purchase
- Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period
- Account will be charged $4.99/€4.99/£3.99 for renewal within 24-hours prior to the end of the current period.
- Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase
- Cancellation will not go into effect until the end of the monthly billing cycle

What’s New

Version 1.2.0

This app has been updated by Apple to use the latest Apple signing certificate.

Bug fixes and optimizations

Ratings and Reviews

4.5 out of 5
61 Ratings

61 Ratings

DJ Kov ,


It’s a fun game but you need to pay for level 2 and up, it’s tricky but it makes you think about it for a minute.

Private music teacher ,

Please make a sequel

THis game is one of the most fun games I have ever played, even though it costs 5 dollars it’s totally worth it. Please make a sequel

EGG9620 ,

I love it

Although you have to pay for levels 2 and up, I think that this is an excellent and tricky math game!

App Privacy

The developer, Touch Press Inc, has not provided details about its privacy practices and handling of data to Apple. For more information, see the developer’s privacy policy.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.


  • Game Center

    Challenge friends and check leaderboards and achievements.

  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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