# Notakto > Tic-Tac-Toe variant where the player who makes three in a row loses. (iPhone/iPad app by Counterwave.) - Source: https://appshunter.io/ios/app/notakto/id412097279 (this page in markdown: same URL + `.md`) - Developer: [Counterwave](https://appshunter.io/developer/1740414820) - Category: Games, Board, Strategy - Price: Free - Rating: 5.00/5 from 3 App Store ratings · 7 written reviews indexed - Age rating: 4+ - Requires: iOS 6.0 · 28 MB - Languages: American English - Released: 2010-12-29 - Data updated: 2026-06-05 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/notakto/id412097279/reviews.md ## What is Notakto? 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. Reviews: ***** 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. ## Key features - Tic-Tac-Toe variant gameplay - Difficulty levels from Easy to Insane - Advanced AI for perfect play - Multi-board play (up to six) - Rated play for competitive ranking - Unlockable levels ## Recent user reviews (7 of 7) All indexed reviews: https://appshunter.io/ios/app/notakto/id412097279/reviews.md ### 4/5 — Great game *2016-01-08* Just one thing until perfection, local/online multiplayer! ### 5/5 — Excellent! *2012-05-06* An excellent and addictive game! Also, as a math teacher, this has been a great tool for classroom discussions about strategy. Students are very fond of this app... would like to see it available for iPhone & iPod. ### 1/5 — For the feable minded *2012-04-22* Dumber than tic tac toe ### 5/5 — Fun and addictive! *2012-04-16* This game is ingenious and fun! As khaaan mentions, it's also very addictive. ### 5/5 — Outstanding *2012-04-07* 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. ### 5/5 — A real challenge *2010-12-31* Well, I won the first few games and felt good about that. However, I haven't won a 'Hard' game yet. ### 5/5 — this is a kick *2010-12-29* Wow, a mod to tic-tac-toe that is both innovative and fun. Don't see that every day. ## Frequently asked questions about Notakto ### What is Notakto? Notakto is a strategy game that is a variation of Tic-Tac-Toe. In this game, the objective is to avoid making three marks in a row, as the player who achieves this loses. ### What are the difficulty levels in Notakto? Notakto offers a range of difficulty levels from Easy to Insane. The Insane difficulty level features an AI that uses advanced game theory for perfect play. ### Can I play multiple games of Notakto at once? Yes, Notakto allows you to play on up to six boards simultaneously, adding an extra layer of challenge and strategy to the gameplay. ### Is there a way to compete with other players in Notakto? Notakto includes a 'Rated Play' mode, enabling you to compete and work towards becoming the Notakto World Champion. This mode is designed for competitive players. ### What devices is Notakto available on? Notakto is available on iPhone, iPad, and iPod devices, offering a consistent experience across Apple's mobile ecosystem. ### How often is Notakto updated? The latest version of Notakto is 2.1, which was released on December 14, 2017. While not frequently updated recently, it offers a stable and complete gaming experience. ### What is the age rating for Notakto? Notakto has an age rating of 4+, making it suitable for a wide range of players, including younger audiences interested in strategy games. ### Does Notakto have ads? No, Notakto is ad-free, allowing for an uninterrupted gaming experience without any advertisements interrupting your play. ## Version history (last 4 releases) ### 2.1 — 2017-12-14 This app has been updated by Apple to display the Apple Watch app icon. Bug fixes and other improvements. ### 2.0 — 2016-02-26 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. ### 1.0.1 — 2012-03-07 Minor improvements ### 1.0 — 2010-12-29 No release notes. ## Apps similar to Notakto | App | Rating | Price | Category | | --- | --- | --- | --- | | [Merge Box: Make It Merged!](https://appshunter.io/ios/app/merge-box-make-it-merged/id1405543515) | 4.9 (8) | Free | Games | | [Collect Jam](https://appshunter.io/ios/app/collect-jam/id6477150599) | — | Free | Games | | [Mini Chess 5x4](https://appshunter.io/ios/app/mini-chess-5x4/id6479580622) | — | Free | Games | | [The Game Of Latin Square](https://appshunter.io/ios/app/the-game-of-latin-square/id1617013799) | — | Free | Games | | [Marble Checkers](https://appshunter.io/ios/app/marble-checkers/id1308918337) | — | Free | Games | | [Mosaic River](https://appshunter.io/ios/app/mosaic-river/id6444349912) | — | Free | Games | ## More apps by Counterwave - [OMBY](https://appshunter.io/ios/app/omby/id983021179) All apps by Counterwave: https://appshunter.io/developer/1740414820 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-05.*