What's New

Fully optimized for iOS 11 and now with additional tweaks and optimizations!

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App Description

Yoku-Gami HD is a unique, challenging and addictive game. This easy to learn game is from the mind of award winning game designer Dr. Reiner Knizia. The rules are very straight forward so anyone can play, learn, have a blast and exercise their mind.

Join Yoki in this endless fun loving game which is idea for the whole family. Simply clear the numbers from the board and make your next move. Stuck? No worries, just tap Yoki and he will show you the right combination.

There are three different game types from which to choose:
1.ENDLESS mode means the fun never stops
2.ARCADE mode lets you test your strategic skills against others
3.LEVEL mode lets you clean up the board if you have what it takes


If you think that Learning and Fun can not exist together then you haven't met Yoki yet! Yoku-Gami is an amazingly fun game but it doesn't stop there. Yoki helps build your mental dexterity and math skills, and even speeds your reaction time. Yoki takes you on a fun and thrilling journey that challenges you to get better as you play, and the fun never stops!


Yoku-Gami is the perfect game for you and your whole family. People of all ages love Yoki. Parents, don't worry about your kids playing too much Yoku-Gami, they are improving their math skills and increasing their mental abilities. It is also a great way for seniors to keep their minds limber and active.

- Easy to play
- 3 fun and challenging game modes
- Local and global high scores
- Game center leaderboards and achievements


"Reiner Knizia's Yoku-Gami HD makes math fun. Yoku-Gami HD is a success in the generally over-crowded puzzle genre." - gamezebo.com

"Yoku-Gami HD is a great learning tool for younger audiences while remaining a challenging game to master for older puzzler fans." - appspy.com

"Yoku-Gami HD is a well-rounded game for the family with excellent graphics and simple controls. It makes a great educational game for kids. Yet, adults can find a good challenge too." - appmodo.com


We always welcome your feedback, comments, suggestions and especially your constructive criticism – they all help us to improve Yoku-Gami HD app.
Contact us at [email protected] and make sure you come and visit us at https://www.facebook.com/meritumsoft. Until then, happy painting!

iPad Screenshots

(click to enlarge)

Reiner Knizia's Yoku-Gami HD screenshot 1 Reiner Knizia's Yoku-Gami HD screenshot 2 Reiner Knizia's Yoku-Gami HD screenshot 3 Reiner Knizia's Yoku-Gami HD screenshot 4 Reiner Knizia's Yoku-Gami HD screenshot 5

App Changes

  • May 17, 2011 Price increase: $0.99 -> $1.99
  • May 01, 2011 Price decrease: $1.99 -> $0.99
  • April 23, 2011 New version 1.2
  • February 26, 2011 Price increase: $0.99 -> $1.99
  • February 24, 2011 Price decrease: $1.99 -> $0.99
  • November 16, 2011 Price decrease: $2.99 -> $0.99
  • November 19, 2011 Price increase: $0.99 -> $1.99
  • March 28, 2012 Price increase: $1.99 -> $2.99
  • July 13, 2012 Price decrease: $2.99 -> $1.99
  • February 07, 2013 New version 1.3
  • March 16, 2013 Price decrease: $1.99 -> FREE!
  • March 28, 2013 New version 1.4
  • April 05, 2013 Price increase: FREE! -> $1.99
  • May 06, 2013 Price increase: $1.99 -> $4.99
  • June 23, 2013 Price decrease: $4.99 -> FREE!
  • July 17, 2013 Price increase: FREE! -> $4.99
  • October 06, 2013 New version 1.4.2
  • October 08, 2013 New version 1.4.3
  • December 27, 2014 Price decrease: $4.99 -> $0.99
  • February 15, 2015 Price increase: $0.99 -> $4.99
  • July 11, 2015 Price decrease: $4.99 -> FREE!
  • June 13, 2019 New version 1.5

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