# OneLine - One-Stroke Puzzle > Connect all points with a single line in this brain-training puzzle game. (iPhone/iPad app by Kyle Sawatzky.) - Source: https://appshunter.io/ios/app/oneline-one-stroke-puzzle/id1324774325 (this page in markdown: same URL + `.md`) - Developer: [Kyle Sawatzky](https://appshunter.io/developer/1249606829) - Category: Games, Puzzle - Price: Free - Rating: 4.48/5 from 21 App Store ratings · 3 written reviews indexed - Age rating: 4+ - Requires: iOS 8.0 · 55 MB - Languages: English - Released: 2017-12-15 - Data updated: 2026-06-10 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/oneline-one-stroke-puzzle/id1324774325/reviews.md ## What is OneLine? A brain training puzzle where you draw 1 line, which will sharpen your wits! In this free-to-play puzzle game, you have to draw one line. It is deceptively simple but profoundly deep. Play through the hundreds of stages, sharpening your wits as you have fun. Summary This is a brain-training puzzle game that activates your mind while you play. When you've got a spare moment, on your daily commute, or before going to bed, why not experience what it feels like to activate you mind? How to play There is just one rule: "Connect all the points with just one line." It does not matter where you start. There are some overly fiendish tricky, complicated puzzles among the large number of stages. If you get stuck, make use of a hint. Stages There are over a total of 300 stages. It starts off with simple shapes, but each time your level increases, the number of lines increases, and it gets more complicated. You might think it's too easy early on. However, clearing the simple stages is also important. The hints to clearing the later, more complicated stages can all be found scattered through the simple stages. Some unique types of line, such as "one way lines" and "overlapping lines", can also be found throughout the stages. These special lines encourage your imagination. Use this chance to activate your mind as you play, by trying to solve this free-to-play brain-training puzzle game now! You're sure to get hooked! ## Key features - Connect all points with one line - Hundreds of challenging stages - Unique line types - Brain training and wit sharpening - Hint system for difficult puzzles - Free-to-play ## Recent user reviews (3 of 3) All indexed reviews: https://appshunter.io/ios/app/oneline-one-stroke-puzzle/id1324774325/reviews.md ### 3/5 — Buying or obtaining hints *2023-05-03* Love the game and the minimal ads involved, would be great to be able to buy or earn hints! Given the lack of ads, I would like to support the developers! ### 5/5 — Awesome and addictive *2018-09-23, version 1.0* Love this games want to do non stop! ### 5/5 — Game *2018-05-19, version 1.0* Nice ## Frequently asked questions about OneLine ### What is the main objective of OneLine? The main objective of OneLine is to connect all the given points on the screen using only a single, continuous line without lifting your finger. It's a deceptively simple rule that leads to complex challenges. ### How many stages are available in OneLine? OneLine offers over 300 stages, starting with simple shapes and gradually increasing in complexity as you progress. Clearing early stages is important as they contain hints for later, more difficult puzzles. ### Does OneLine have ads? No, OneLine is ad-free, allowing for an uninterrupted puzzle-solving experience. ### Can I get stuck in OneLine, and what happens if I do? Yes, some puzzles can be very tricky. If you get stuck, OneLine provides a hint system to help you find the solution and progress through the stages. ### What makes the puzzles in OneLine unique? OneLine introduces unique line types such as "one way lines" and "overlapping lines" throughout its stages. These special elements are designed to encourage imagination and add depth to the gameplay. ### Is OneLine suitable for all ages? OneLine has an age rating of 4+, making it suitable for a wide range of players. Its simple mechanics are easy to grasp, while the puzzles offer a good mental challenge. ### What devices can I play OneLine on? OneLine is available on iPhone, iPad, and iPod devices, allowing you to enjoy the puzzle game across various Apple mobile devices. ### How often is OneLine updated? The provided data indicates that the latest version is 1.0, released on 2017-12-15, and the last update was also on 2017-12-15. This suggests infrequent updates. ## Version history (last 1 release) ### 1.0 — 2017-12-15 This app has been updated by Apple to display the Apple Watch app icon. ## Apps similar to OneLine | App | Rating | Price | Category | | --- | --- | --- | --- | | [2048 Rope Balls](https://appshunter.io/ios/app/2048-rope-balls/id1508229365) | 1.0 (1) | Free | Games | | [Puzzle TimeAttack](https://appshunter.io/ios/app/puzzle-timeattack/id1612748592) | — | Free | Games | | [Fill One Line 3D](https://appshunter.io/ios/app/fill-one-line-3d/id1590675459) | — | Free | Games | | [Lucky One Draw](https://appshunter.io/ios/app/lucky-one-draw/id1526713221) | 5.0 (1) | Free | Games | | [Fill Line](https://appshunter.io/ios/app/fill-line/id1370347879) | 4.6 (9) | Free | Games | | [One Liner : Single Stroke](https://appshunter.io/ios/app/one-liner-single-stroke/id1622599607) | — | Free | Games | ## More apps by Kyle Sawatzky - [Light-Bikes.io](https://appshunter.io/ios/app/light-bikesio/id1249606830) - [Powerhouse - Circuit Scramble](https://appshunter.io/ios/app/powerhouse-circuit-scramble/id1250280148) - [Pipe Dream - Plumber](https://appshunter.io/ios/app/pipe-dream-plumber/id1252466135) - [Snakkle - Snake Puzzle](https://appshunter.io/ios/app/snakkle-snake-puzzle/id1252468678) - [Merged.io](https://appshunter.io/ios/app/mergedio/id1357741378) All apps by Kyle Sawatzky: https://appshunter.io/developer/1249606829 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-10.*