Binary.1001 4+

Challenging logic puzzle‪.‬

Aliaksandr Uvarau

Designed for iPad

    • 4.7 • 26 Ratings
    • Free



Binary.1001 is a challenging logic puzzle that helps relieve stress and pass the time when you are on a bus, on an airplane, or simply have nothing to do. Continuous puzzle solving also helps increase IQ levels and helps prevent age-related brain diseases. According to studies, people who solve puzzles from time to time are less susceptible to diseases such as senile dementia and Alzheimer's disease. In our program, we have created for you more than 6 thousand unique levels. All levels are divided into different levels of difficulty. Each difficulty level contains 1001 puzzles. If this is your first time playing this game, try the very first level of the easiest level of difficulty. If you can easily solve level 1001, go to the next level of difficulty.


In this puzzle, there are only zeros and ones, some of the cells are already filled, the rest must be filled by you. Your goal is to determine which cells are zeros and which are ones.

Each puzzle must be solved in accordance with the following rules:
* Each cell must contain zero or one.
* No more than two similar numbers below or next to each other are allowed.
* Each row and column must contain an equal number of zeros and ones.
* Each row is unique, and each column is unique.

Each puzzle has only one solution. You can always find this solution without guessing.

Good luck!

What’s New

Version 1.6

New options have been added to settings: Show errors ('At the end of the game' or 'Immediately').

Ratings and Reviews

4.7 out of 5
26 Ratings

26 Ratings

pianokid93 ,

1 small change I ask

I would only update it so that we can scroll faster through the page with all the levels. I can imagine once you cross 25 and you have to start scrolling it’ll get annoying. Especially as we advance to higher levels. Imagine going all the way into the 900s. But it takes 5 mins to even get there....

Angelique Cook ,

Love The Game!

I enjoy number puzzles, especially without pop-up ads! :-)


Too easy

The expert can be solved with little or no problem solving.

App Privacy

The developer, Aliaksandr Uvarau, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Used to Track You

The following data may be used to track you across apps and websites owned by other companies:

  • Identifiers
  • Usage Data

Data Linked to You

The following data may be collected and linked to your identity:

  • Contact Info

Data Not Linked to You

The following data may be collected but it is not linked to your identity:

  • Identifiers
  • Usage Data
  • Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More

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