Logic game legend nonogram (square square) 2021 puzzle game

The official name is Nonogram, and in Korea it is known as Square or Square Logic.

This is a game made by Tetsuya Nishio of Japan in 1988. It is a hidden game using the numbers shown on the horizontal and vertical axes.
It is a puzzle game of finding pictures.

It is similar to minesweeper in that it uses numbers to find hidden things, but the nonogram is the completion of the picture.
It's a puzzler's enthusiastic game with rewards.

[How to play]

. The purpose of nonogram is to find all colored parts using only given numbers.
. Numbers show information on colored areas in horizontal and vertical lines.
. One number is the sum of the cells painted in succession.
. There is at least one space between the number and the number.

* Please refer to the URL below for detailed usage.

[Game Features]

. There are 4 types of blocks, 5x5, 10x10, 15x15, and 20x20.
. About 2000 pictures are prepared and the pictures are automatically updated.
. It is more difficult than other nonogram logic puzzle games.
. Bonuses are also given more than other games.
. Support auto save function.
. Stage management is easy with TOTAL, STAGE, and CLEAR stages.
. It has been configured so that you can view the stage in both scroll and index modes.
. There are many features in the options.
-Sound ON/OFF
-Sound effect ON/OFF
-Automatic check function
(If the horizontal and vertical numbers match exactly, it is automatically checked and the X picture is inserted.)
-Auto refill function
(If the horizontal and vertical axis numbers are the same as the map size, the user automatically fills in with one click.)
-Considering the location of the button for left-handed and right-handed people.
. Special Map!! (Composed of a nicer picture than a general picture)
. If you have a picture or picture you would like to add, please send us and the game will be updated.
. lump!! If the stage is difficult or there is something wrong, please send it to and we will update the game.

Try increasing the IQ with nonograms^^
Have a fun game.


What’s New

Version 1.15.4

* App name changed to 2021 and Picross keyword deleted

Ratings and Reviews

5.0 out of 5
2 Ratings

2 Ratings

Cbfeld ,

Love the game

Keeps force closing & it's hard to finish puzzles. Good game. Needs updates

App Privacy

The developer, jongkab choi, 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 Not Collected

The developer does not collect any data from this app.

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


  • Family Sharing

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

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