
Tease your brain in this ambient logic game where you have to make the math match 21 as a result horizontal and vertically (because we're talking about blackjack, right?) Swap the cards, make the math, repeat. That's all you'll need in order to complete this game!
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All-time low is the lowest price we've recorded for this game since we started tracking it.
Languages: English
Engagement
Hours played at review time, across 27 reviews with recorded playtime.
Reviews
BlackJack Math Cross Numbers is a simple Adobe Flash/browser tier math puzzle game. Drag and drop cards around various mathematical operators until they add up to 21. This is a lot like just watching Countdown and trying to solve the problems yourself, which isn't all that hard if you have enough time to do it. So why make a video game about pretending you have longer than you should have to solve maths problems? Obviously this is the kind of thing that could just be done on a web page. There's more sophisticated mobile games, and have you seen mobile gamers? It's kind of insulting to see this kind of garbage on the Steam store. We have to remember this is a platform for PC games.
It's a very short game with 35 levels of swapping cards to get 21 as a result. You can enable the calculation to check whether your swapped cards resulted in 21. There is nothing spectacular, but also nothing to complain about this game. It's just a simple and short game, but it can be boring for some players or maybe even annoying to get the number 21 if the horizontal side matches the number, but the vertical side is not. I don't hate it, but neither do I love it. Overall, just nothing to comment about the game. Neither recommend nor thumbs down, but there is no third option for such a scenario.
[b]if math isn't your thing, this is the one for you.[/b] i thought it was just the usual little piece of Steam junk but no, it's a small but enjoyable and quite relaxing puzzle. few cents for few bytes of fun!
This game is alright if you like mathematical puzzles. You swap cards around trying to make every row and column equal to 21 with the basic operations of adding, subtracting, multiplying and dividing. There are 35 levels that increase in difficulty. A huge problem is that when you get stuck, you REALLY get stuck, and aside from that one row not making sense, you have no clue where to start decompiling the mess. Sure, there are only so many ways that "x * y + z = 21" can be made, but if every calculation except one equals 21, you're gonna be very convinced that nothing is wrong with that row specifically, only to realize that it's part of the mistake. Most of these errors I can attribute to me being stupid, but for the very late levels, I'm convinced that you have to be a math genius to solve them. Nothing wrong with that alone, but if you make every line except one equal 21 in more than one way, this ambiguity, which was acceptable in earlier levels, may as well be your downfall in the last 5 levels, and you may never know how far off you are from the correct solution. On some levels, the game accepted an almost correct, but ultimately wrong solution. One of the rows sometimes didn't equal 21 yet, and it counted as a win for unknown reasons. Also, I miss how the first game showed both possible solutions when an ace is involved. Here, it seems to always take the value of 11 except when a value of 1 would make the row equal to 21. This gives you insane values when something is multiplied with an ace, and it completely disoriented me several times. Since the game works different from the original Blackjack Math, I'm not sure how it could be shown without overlapping with other stuff or looking ugly, but I would have loved an output for each ace value if an ace is present in that row. I think it's worth the money, but the last five levels really are no joke. It does look more like a flash game and has a few issues, but I like the gameplay enough to be able to overlook the minor things, including the excessive ambiguity of the last levels.
Assim como o primeiro jogo da franquia, este jogo possui uma estética e música que criam uma harmonia bem relaxante enquanto você resolve os desafios matemáticos, apesar de parecer semelhante ao anterior, esse jogo trás elementos totalmente novos que o tornam um desafio novo em folha e divertido de tentar resolver.
BlackJack Math Cross Numbers by Heavy Sheep takes a surprisingly clever approach to blending arithmetic puzzles with the thematic framing of blackjack, transforming what is traditionally a game of chance into a structured, logic-focused experience. Instead of cards, suits, and dealers, the player is presented with a grid of numbers that must be rearranged so that every row and column totals exactly 21. This reinterpretation immediately shifts the emphasis from luck to calculation, making the game feel closer to a hybrid between a numeric crossword and a logic grid puzzle rather than anything resembling a casino simulation. At the heart of the experience is a deceptively simple mechanic: swapping numbers within a confined grid until all directional sums align with the target value. What gives this system its depth is the interconnected nature of each move. Adjusting a single value to fix one row often disrupts a column, forcing the player to think holistically about the board rather than solving isolated segments. This creates a steady push-and-pull dynamic where progress is incremental and often requires revisiting previous assumptions. The satisfaction comes from recognizing patterns and gradually bringing order to what initially feels like a chaotic arrangement of numbers, especially in later puzzles where the margin for error becomes increasingly narrow. The game’s pacing is built around a gradual escalation of complexity. Early levels serve as a gentle introduction, allowing players to grasp the fundamental logic without much resistance, but as new grids are introduced, the configurations become more intricate and less immediately readable. Some puzzles can be solved through intuitive reasoning, while others demand a more methodical approach, requiring players to mentally track multiple possibilities or test partial solutions. This variation helps maintain engagement, though it also exposes moments where the design leans more on experimentation than strict logical deduction. In those cases, progress can feel less like solving a puzzle and more like probing for a workable arrangement, which may not appeal to players who prefer tightly deterministic challenges. Visually, the game adopts a clean and utilitarian presentation that prioritizes readability over flair. The interface is uncluttered, with clear numerical displays and simple interactions that make it easy to focus entirely on the puzzle at hand. There are no elaborate animations or stylistic distractions, which aligns well with the game’s cerebral nature. Complementing this is a subdued audio design, typically consisting of soft, ambient background music that reinforces a calm and focused atmosphere. The overall presentation doesn’t strive to impress, but it effectively supports the gameplay by staying out of the player’s way. Where BlackJack Math Cross Numbers begins to show its limitations is in its narrow scope. The game is built around a single core idea, and while that idea is solid, it is not expanded upon in meaningful ways. There are no alternate modes, no significant rule variations, and no progression systems beyond moving through increasingly complex puzzles. As a result, the experience can start to feel repetitive once the player becomes comfortable with the underlying logic. The lack of additional layers or evolving mechanics means that long-term engagement depends almost entirely on how much the player enjoys the central puzzle concept. That said, there is a certain appeal in its focused design. The game doesn’t overcomplicate itself or attempt to stretch beyond its natural boundaries. It offers a concise, self-contained set of challenges that can be completed at a relaxed pace, making it well-suited for short sessions or as a low-pressure mental exercise. It’s the kind of game that can be picked up for a few minutes at a time, providing just enough stimulation to feel rewarding without demanding a significant time investment. In a broader sense, the game feels like a thoughtful experiment in reimagining a familiar concept through a purely logical lens. By stripping away the randomness of blackjack and replacing it with structured problem-solving, it creates an experience that is both accessible and quietly engaging. It may not stand out as a deeply innovative or feature-rich title, but it demonstrates a clear understanding of its strengths and delivers on its premise with consistency. Ultimately, BlackJack Math Cross Numbers is a modest yet enjoyable puzzle game that succeeds on the strength of its central idea. It offers a clean, approachable experience that will resonate most with players who enjoy number-based challenges and minimalist design. While its lack of variety limits its staying power, it remains a satisfying diversion for those willing to embrace its straightforward, logic-driven gameplay. Rating: 7/10
Good math puzzles in a relaxing mood. The optional features of showing the totals and automatic submissions are nice too.
Repetitive puzzle game that makes you question your understanding of basic math. The main mechanic did not feel very intuitive to me and some of the UI buttons don't seem to do anything. 100% requires to beat every level (except the last) and to test your luck to randomly get a 51 result (which will probably happen during beating levels).
Simplesmente incrível como de repente o tempo voa! Gostei bastante da musica criando uma sensação bem tranquilizadora que me fez entrar realmente no clima. Sem falar no visual que ficou bem agradável combinando com a trilha sonora. Estou curtindo pra caramba cada nível e sem dúvidas recomendo para quem gosta de desafios.
I love this game. It's such a nice, yet well polished puzzle game, with good aesthetics and very calm music it makes me not want to stop playing. Highly recommend it 10/10.
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