9: Sum Number Puzzle

9: Sum Number Puzzle is a small game with a very clear rule. The board is five cells by five cells, and the target is always nine. You place numbers one at a time, and whenever a group of adjacent numbers adds up to exactly nine, that group clears and gives you space for the next move. Everything else in the game grows out of that single idea.

The mechanics are easy to describe. You tap an empty cell to place the current number. You can clear groups of two, three or four adjacent numbers in a row or column if their total is exactly nine, and even a two-by-two square can clear if its numbers add up to nine. A simple four and five will do it, but the game becomes more interesting when you plan a sequence. You can see the next number in advance, so a good player is always thinking about what will fit after the current move.

Combos are where the scoring lives. If you keep clearing groups on consecutive moves, your combo grows and you earn more points. That encourages a style of play in which you set up several clears in a row instead of taking the first match you see. It is a small change, but it turns a simple arithmetic puzzle into something that rewards foresight.

There are four ways to play. Classic uses a turn timer, so you must move before it runs out, and the pressure increases as you level up. Zen removes the timer entirely, which is better for players who like to think. Sprint gives you sixty seconds to score as much as you can, a fast and focused alternative. The daily challenge presents a number sequence based on the day, so everyone faces the same puzzle. Having this range means the game can suit different moods without becoming a different product.

The listing also mentions daily missions as a reason to return. We will not describe their rewards because the details are not given, but they suggest a habit-building structure that many players enjoy.

This game suits people who like number puzzles, light mental arithmetic and short sessions. It is a good fit for those who enjoy Sudoku-like logic but want something faster. It may be too small in scope for players who want a long campaign.

The developer is Klanxi. The game shows 50 plus installs and no rating, so it is a new release with few public opinions. Please check Google Play for the latest price, screenshots and any ads.

DroidVanta does not host 9: Sum Number Puzzle. The download button on this page opens the official Google Play listing, so you always get the developer's own version. If you spot a mistake in this overview, please tell us through the contact page.