0h n0 icon

0h n0

Q42 B.V.

4.9

124 ratings

Free

In this logic puzzle game, you complete grids by placing red or blue dots based on visibility rules. Use this app to solve puzzles across multiple grid sizes with unlimited levels. Includes time trials, achievements, and leaderboards for casual play.

AppRecs review analysis

AppRecs rating 4.5. Trustworthiness 76 out of 100. Review manipulation risk 22 out of 100. Based on a review sample analyzed.

★★★★

4.5

AppRecs Rating

Ratings breakdown

5 star

90%

4 star

7%

3 star

2%

2 star

0%

1 star

1%

What to know

Low review manipulation risk

22% review manipulation risk

Credible reviews

76% trustworthiness score from analyzed reviews

High user satisfaction

90% of sampled ratings are 5 stars

About 0h n0

It's 0h h1's companion game!

Remember that little logic game called 0h h1? Well, we've made a challenging new puzzle game to go along with it! Meet its companion... 0h n0.

0h n0 is a lovely little logic game that follows its own three rules:

- Blue dots can see others in their own row and column.
- Their numbers tell how many.
- Red dots block their view.

It's up to you to complete the grid without ever having to guess. Simply tap a tile to make it blue or red and complete the grid. 0h n0 gives you unlimited puzzles for all four grid sizes:

5 x 5
6 x 6
7 x 7
8 x 8

And now included: 4 x 4 and 9 x 9 boards!

Each puzzle can be played in perfect Zen mode without any pressure. But you can attempt to beat your personal best time in the game's time trials, unlock fun achievements and compete with friends in leaderboards.

0h n0 is free, without ads, without social network requirements, without locked features and without nag screens. 0h n0 is a little gift to you. We hope you enjoy it.

0h n0 can also be played on 0hn0.com.
And if you haven't played its sibling yet, go visit 0hh1.com.
0h n0 Screenshots
Screenshot 1Screenshot 2Screenshot 3Screenshot 4Screenshot 5

Tap to Rate:

Reviews for 0h n0

Kalakey

So fun

It’s great if you like sudoku or similar games, I just wish I could restart a board or pause and return to a board later. Then the game would be perfect

SilverCoLo

Absolutely Obsessed

It is so simple, yet so effective. It’s a great puzzler to unwind as it is just difficult enough to challenge you but not impossible. Additionally the fact that you can determine your own level of difficulty of the puzzle every time is wonderful. 10/10 have shared with so many people.

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