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  • November 12, 2014

0h h1

0h h1 Game Cover
90%Game Brain Score
monetization, gameplay
music, stability
90% User Score Based on 1,183 reviews

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0h h1 Game Cover

About

0h h1 is a single player casual puzzle game. It was developed by Q42 and was released on November 12, 2014. It received positive reviews from players.

A little logic game

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90%
Audience ScoreBased on 1,183 reviews
monetization129 positive mentions
music3 negative mentions
  • No ads or intrusive monetization, providing a smooth, uninterrupted gaming experience.
  • Simple, intuitive rules and gameplay that are easy to learn but challenging to master.
  • Helpful hint system that aids learning and solves puzzles without penalty or frustration.
  • Multiple board sizes available, from small quick puzzles to larger, more challenging grids.
  • Daily puzzles and achievements add variety and encourage regular play.
  • Clean, minimalist design with customizable color themes and good UI responsiveness.
  • Lightweight app with fast performance and low resource usage, suitable for casual and longer play sessions.
  • Game offers satisfying logic-based challenges for fans of sudoku and similar puzzles.
  • Supports offline play (though some users had connectivity-related issues).
  • Game progress often does not save; switching apps or closing the game resets the current puzzle, causing frustration.
  • App crashes when internet connection is lost or unstable, especially on larger puzzles, despite claiming offline play.
  • Larger puzzles (e.g., 12x12) have small tiles that make play difficult without zoom or better scaling; aspect ratio issues on some devices cut off parts of the grid.
  • Lack of features such as restart/reset button, pause function, saving mid-game, or board customization limits user convenience.
  • Color scheme changes and removal of previously favored themes (e.g., yellow-blue 'Ukraine' theme) caused user dissatisfaction and eye strain.
  • Some players find the gameplay repetitive or too easy after mastering basic strategies; lack of increased difficulty or additional rules reduces long-term engagement.
  • Leaderboards and achievements are undermined by bots or problematic implementation.
  • In-app requests to share the game are frequent and irritating to some users.
  • No sound effects or music, which some users find detracts from the experience.
  • Controls sometimes lead to accidental tile changes; no way to mark or lock tiles as in similar puzzle games, increasing user error risk.
  • monetization
    191 mentions Positive Neutral Negative

    The game's monetization is highly praised for having no ads or intrusive microtransactions, offering a smooth, uninterrupted experience. Players appreciate the optional donation system as a respectful way to support the developers without impacting gameplay. Overall, it delivers a rare ad-free puzzle experience that maintains quality and accessibility.

    • “There are no ads and no purchases, and you can use a hint whenever you want without having to pay or watch an ad.”
    • “No ads, totally optional to support your developers (which I did, because this is a++ and I want them to keep making more). The user interface is easy to use, hints are unlimited and free.”
    • “This is a great game, the puzzles are fun and simple, there are no ads. They just ask for small donations with a small button on the home menu, which is amazing.”
  • gameplay
    23 mentions Positive Neutral Negative

    The gameplay is praised for its simple, easy-to-learn mechanics and clean interface that provide a relaxing yet engaging puzzle experience. While some find it repetitive after extended play, the novel concept and well-designed hint system keep the gameplay rewarding and accessible without ads or intrusive elements. Overall, it offers straightforward, addictive puzzle fun suitable for both quick sessions and deeper play.

    • “Very simple mechanics, easy to play and learn, and addicting in the sense that I always want to do another puzzle!”
    • “Novel concept, difficult yet rewarding gameplay, best hint system I have ever seen (free, kind, helpful), never shows interrupting ads, lightweight.”
    • “Great yet simple puzzle game with great visuals and gameplay, accompanied by a very helpful hint system in case you need it.”
    • “Gameplay is stimulating but kind of dull after you've done a few.”
    • “Fairly same-y gameplay, but it takes a while to stale.”
    • “The hardest version of the game isn't too much of a challenge, once you understand the mechanics of the game.”
  • music
    8 mentions Positive Neutral Negative

    The music aspect of the game receives mixed feedback: some players appreciate the lack of background music for allowing multitasking and avoiding distractions, while others suggest adding relaxing background music and sound effects to enhance the experience. There is also interest in music updates or versions with added audio elements.

    • “I remember this game having music.”
    • “Is there a version with music?”
    • “Could really use some sounds or relaxing background music.”
    • “Could use some background music, and sound effects for when you tap the menu options and squares.”
    • “What you could do is add background music.”
  • stability
    7 mentions Positive Neutral Negative

    Reviews on stability are mixed: several users praise the game for running smoothly without glitches or crashes, highlighting its clean design and reliable performance, while others report frequent freezing and crashes that disrupt gameplay.

    • “No glitches whatsoever.”
    • “This game is great, no ads, no glitches, just plain and simple logic.”
    • “The app design is gorgeous and clean, runs great, and the puzzle itself is excellent, similar to sudoku but with colors.”
    • “It's a good game but glitches all the time.”
    • “It gives me the 'clever' or whatever and does the 'blur' of the board, then freezes, then crashes.”
    • “Game freezes in the title screen.”
  • humor
    5 mentions Positive Neutral Negative

    The game's humor is generally appreciated for its funny achievements and stylish details, adding charm and challenge. However, some users find the humor limited or not consistently engaging, and occasional technical quirks (like errors without internet) have been noted in a lighthearted way.

    • “This game is funny and challenging, but can get boring after a while.”
    • “Cute game with funny achievements and stylish details.”
    • “However, the game throws an error when there is no internet connection (a funny way I found to overcome that is by turning off data while underground).”
  • replayability
    4 mentions Positive Neutral Negative

    The game offers excellent replayability with challenging puzzles and an ad-free experience, making it highly enjoyable. However, some users wish for offline play to extend accessibility in areas without internet.

    • “A fantastic ad-free puzzle game, the premise is simple but the puzzles can be quite challenging and the game has lots of replayability!”
    • “Endless replayability.”
    • “I love this game: no ads, no in-app purchases, great replayability.”
  • graphics
    4 mentions Positive Neutral Negative

    The graphics are simple yet aesthetically pleasing, effectively complementing the gameplay. Users appreciate the clean visuals that enhance the overall puzzle experience without overwhelming it.

    • “Love this game, aesthetically pleasing, and I love the daily challenges.”
    • “Great yet simple puzzle game with great visuals and gameplay, accompanied by a very helpful hint system in case you need it.”
    • “Sudoku's essentials in an aesthetically pleasing package.”
    • “Simple graphics.”
  • emotional
    3 mentions Positive Neutral Negative

    Users express a mix of emotional engagement and frustration, often feeling demoralized when struggling with challenging puzzles, as the game’s difficulty and visual cues highlight their repeated attempts and slow progress.

    • “For me that's always kind of heartbreaking because I always try to beat the time above.”
    • “It's demoralizing each time my screen goes dim because then I realize how long I've been staring at the puzzle without touching it, ha!”
  • grinding
    3 mentions Positive Neutral Negative

    Grinding in the game can become tedious and repetitive, especially at larger sizes, leading to eye strain and boredom. While gameplay is quick and light on smaller boards (8×8 and below), the repetitive nature makes it less engaging over time.

    • “It's a bit too easy and looking for similar rows and columns is tedious.”
    • “Enjoyable for about 10 minutes but after that it's the same boring tedious thing over and over again, nothing really special.”
    • “Checking for duplicate rows/columns can get tedious and eye-straining at larger sizes, but plays very quick and light at 8×8 and below.”
  • story
    1 mentions Positive Neutral Negative

    Users expressed disappointment over the absence of a story mode, indicating that they had anticipated a more narrative-driven experience.

    • “Was expecting a story mode.”
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Frequently Asked Questions

0h h1 is a casual puzzle game.

0h h1 is available on Phone, iPad, iPhone, Tablet and others.

0h h1 was released on November 12, 2014.

0h h1 was developed by Q42.

0h h1 has received positive reviews from players. Most players liked this game for its monetization but disliked it for its music.

0h h1 is a single player game.

Similar games include Numbers Game - Numberama, Flow Free, Number Mazes: Rikudo Puzzles, Infinity Loop: Relaxing Puzzle, Tents and Trees Puzzles and others.