"0h h1" is a little logic game where players fill grids with red and blue tiles according to specific rules. With unlimited puzzles, players can enjoy different grid sizes ranging from 4x4 to 12x12. The game features a Zen mode for relaxed gameplay, time trials for competitive play, and leaderboards to challenge friends. Completely free and ad-free, it offers a fun puzzle experience closely resembling Binary Sudoku. Discover this entertaining game and its sibling, 0h n0, at 0hn0.com.
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0h h1 is a little logic game that follows three simple rules:
- Three red tiles or three blue tiles next to each other in a row or column isn't allowed - A full row or column must have as many blue tiles as it has red ones. - No two rows are the same. No two columns either.
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 h1 is 100% free, without ads or locked content and gives you unlimited puzzles in these grid sizes:
4 x 4 6 x 6 8 x 8 10 x 10 12 x 12
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 h1 is akin to Binary Sudoku, also known as Takuzu, Binairo or Binaire. 0h h1 is a little gift to you. I hope you enjoy it. 0h h1 can also be played on 0hh1.com.
And don't forget to check out its sibling game 0h n0! 0hn0.com
User reviews
These summaries are automatically generated weekly using AI based on recent user reviews.
Google Play Store does not verify user reviews, so some user reviews may be inaccurate,
spammy, or outdated.
Pros
No ads
Simple and enjoyable gameplay
Great for mental exercise and relaxation
Free hints available without ads
Daily puzzles and challenges
Cons
App doesn't save progress when exiting or switching apps
Need for a back button functionality to navigate menus
Visual appearance and themes are lacking
Repetitive gameplay can become boring over time
No option to create or upload custom puzzles
Most mentioned
Lack of ads
Progress loss when switching apps
Simplicity of gameplay
Daily puzzles offered
Call for improved app functionality
User reviews
0h h1 has no ads, which is an instant plus. But that's not the only thing that's kept me playing for 1937 rounds. The premise is simple but elegant, and I use it all the time when I wait for my meetings to start. I have a Flip 4 with a narrow screen, plus some minor eyesight and dexterity problems. While I can do the larger puzzles, I mostly play 8x8. It's a shame that this dev's other games aren't compatible with my device. I would love to see more of their work.
Cute, fun, engaging, and super duper simple. I've never gotten any ads, they just ask politely for players to share the game (which can immediately be closed). It doesn't take up too much of my time and isn't addictive but is still complex enough for deep enjoyment. I play this game whenever I have to wait for something or need to wake up a little, even as a little stress reliever.
I enjoyed this puzzle even more than I expected. It's original and very well made. Something to note that I like, but hard core puzzlers may not, is that it seems these can be solved by continually applying a small set of rules in order. Unlike in sudoku, there's no need to lookahead into the space of possible configurations. The challenge here instead comes from searching for where a rule applies, and not messing up. The architecture of sudoku with the challenge of word search. Really fun.