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  • #: 36484
  • Price: $0.99 In Apple Store
  • Category: Games
  • Updated: 2016-02-26
  • Current Version: 2.0
  • 2.0
  • Size: 3.50 MB
  • Language: English
  • Seller: Counterwave, Inc.
  • Requirements: Compatible with iPad. Requires iOS 3.2 or later
  • © 2010 Counterwave, Inc.
  •  Add to Favorite apps



Simple to learn and hard to master, Notakto is a variation on Tic-Tac-Toe where BOTH players make X's and whoever makes three-in-a-row LOSES.

Difficulty ranges from Easy to Insane. At Insane, the computer uses advanced game theory techniques to play a perfect game, so don't make any mistakes if you want to win!

Unlock all levels and play on up to six boards at the same time!

Choose Rated Play and work toward becoming Notakto World Champion.


* Fun and addictive! - This game is ingenious and fun!

* Outstanding - Brilliant app. It's amazing how taking away a symbol and reversing the win condition can turn a trivial game into a fiendishly difficult addiction.

What's New in Version 2.0

App now runs on both iPhone and iPad.

Practice mode includes an option to see all winning moves.

Links to videos and a mathematical paper revealing the secrets to winning.

iPad Screenshots

Notakto iPad Screenshot 1
Notakto iPad Screenshot 2
Notakto iPad Screenshot 3

Video Reviews

No video review.

Customer reviews

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Rated 5/5 based on 2 customer reviews.


5/5 stars

this is a kick

Wow, a mod to tic-tac-toe that is both innovative and fun.

Don't see that every day.

5/5 stars

A real challenge

Well, I won the first few games and felt good about that. However, I haven't won a 'Hard' game yet.


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The information may be outdated (2017-03-06 19:51:02). For actual information go to iTunes

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