Each number is how many lines go around its cell. Connect the dots into a single loop that never crosses or branches. All 1,205 puzzles are machine-checked to have exactly one solution.
Follow the first board you see when you open the app, all the way to the end.
The board is only dots and numbers. A 0 means no lines; a 3 means lines on 3 of its 4 sides. This board has eight numbers and one blank cell.
Drag your finger from dot to dot to draw a line. Once a number has all its lines, it fades to tell you.
Every dot on the loop has exactly two lines. Draw the remaining line and it closes into one loop.
When the lines form one loop, it glows gold and the puzzle is solved. The next puzzle is one tap away. All 1,205 are in order, easiest first.
Note: all screens are real Loop Puzzle screens (Android, English).
There are five board sizes. Every puzzle has exactly one solution. Within each size, puzzles are ordered by how many guesses they take to solve, fewest first.
| Board size | Puzzles included | |
|---|---|---|
| 3×3 | → | 5 puzzlesYour first puzzle |
| 5×5 | → | 100 puzzles |
| 7×7 | → | 300 puzzles |
| 10×10 | → | 500 puzzles |
| 12×12 | → | 300 puzzlesThe largest board |
All puzzles are inside the app. Nothing is generated on your device.
We count first, then include.
With this kind of puzzle, some arrangements of dots and numbers end up with two valid solutions. Then you can draw a correct loop and still be marked wrong because it differs from the stored answer. Loop Puzzle includes only puzzles that a solver has confirmed have exactly one solution.
All 1,205 puzzles are machine-checked, and only those with exactly one solution are included. A correct line is never marked wrong.
All puzzles are inside the app. No account is needed, and your progress is saved only on your device.
Free, with no in-app purchases. Ads appear as a banner at the bottom of the screen, after you solve a puzzle, and when you return to the app. Video ads appear only when you use a hint or a mistake check.
What it's not good at For now it is Android only. The difficulty order is a rough guide based on how many guesses a puzzle takes, so some may feel out of order. The 10×10 and 12×12 boards are large, so you zoom with two fingers while you play.
You connect dots to draw exactly one loop. The number in a cell is how many lines go around that cell.
Loop Puzzle is a logic puzzle where you draw a loop using numbers as clues. It has 1,205 puzzles from 3×3 to 12×12, ordered from easiest.
Yes (the app is free). There is a banner at the bottom of the screen, a full-screen ad after you solve a puzzle, an ad when you return to the app, and video ads for hints and mistake checks. Ads are served by several ad providers through Unity LevelPlay. There are no in-app purchases.
Yes. All 1,205 puzzles are machine-checked, and only puzzles with exactly one solution are included.
All puzzles are inside the app, so you can play offline. There is no sign-up, and your progress is saved only on your device.
The number in a cell is how many lines go around it. Connect the dots into one loop that never crosses or branches. Every puzzle has exactly one solution.
Free, no sign-up, works offline. All 1,205 puzzles, one answer each.
Android · Ages 13+ · Contains ads
Google Play (coming soon)
Loop Puzzle