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Fill one-line puzzle game

Sharpen your mind with a connect-the-block-style one-line brain training puzzle game. A simple but addictive one-line puzzle game that’s completely free to play. Your brain becomes more active the more you play. During your commute, before you sleep… enjoy downtime with brain training. The rules are extremely simple. Just fill in all of the blocks using only one line. Use hints for puzzles that are too hard to solve. Hints are also free, of course. 4 levels of difficulty. A whopping 2,000 puzzles. Don’t get too cozy—the puzzles get harder as you go along. One-line puzzles are mathematical prob

Release date
May 2, 2016
Platforms
Android, iOS
Developer
GAMINCAT, INC.
Publisher
GAMINCAT, INC.
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Fill one-line puzzle gameApple App Store & Google Play · Game · Available
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Google PlayLast checked October 31, 2026

Most helpful8

★ 3 / 5
Thw controls worked fine. The graphics were simple and worked fine with the game. It was just too easy, and after seeing the repetitiveness of…
★ 4 / 5
This game is pretty fun and the objective is easy: Fill the whole space with a line. I think the look and feel is nice,…
★ 4 / 5
great game i love it but wish it had a night mode. its a simple game. if your trying to sleep but your brain is…
★ 3 / 5
Game is fun, pretty easy. There are somethings that a bit annoy me like when you click to get some reward, sometimes it said sorry…
★ 3 / 5
I wouldn't say "Dont waste your time" or "dont play this game because___" or anything, the game is still able to be played and enjoyed…
★ 3 / 5
It's a simple time killer that takes a a tiny bit of thinking. In the early/easier levels you'll definitely be spending more time viewing advertisements…
★ 2 / 5
I played exactly 504 levels before I called it a day and uninstalled. As many have already said the levels become waaaay to repetitive and…
★ 2 / 5
The game itself is ok (how could it not?) But it is such a grind to advance... You have to complete HUNDREDS of super easy…

Most recent8

★ 2 / 5
1. "Generally good service — fast, easy. Please note: I realized that account and device information was included when I posted my review." 2. "Service…
★ 2 / 5
Game is fine, but despite paying money to stop ads, I am still plagued by advertising interrupting my gameplay.
★ 1 / 5
The is fine but support sucks! I already communicated three times but no answers. I paid for the ad remove... but now the game is…
★ 1 / 5
I paid for ad remove in June 24, now it is impossible to play, way to many ads... I tried to contact the developer twice…
★ 5 / 5
I finished all 7800 stars. This is a 5-star game. Not endless, not too hard, not timed, no online required, not pay-to-win, has multiple solutions,…
★ 2 / 5
I pay NTD100 to remove ads but IT DID NOTHING pls fix this problem so that I don't feel like I'm being tricked:/

Short excerpts linked to their source. The score above uses aggregate storefront ratings—not these few comments.