With this puzzle game, you can connect blocks using a single line to solve brain training puzzles. Includes hints, four difficulty levels, and over 2,000 puzzles.
AppRecs review analysis
AppRecs rating 3.9. Trustworthiness 76 out of 100. Review manipulation risk 26 out of 100. Based on a review sample analyzed.
★★★☆☆
3.9
AppRecs Rating
Ratings breakdown
5 star
79%
4 star
13%
3 star
5%
2 star
1%
1 star
2%
What to know
✓
Low review manipulation risk
26% review manipulation risk
✓
Credible reviews
76% trustworthiness score from analyzed reviews
⚠
Ad complaints
Many low ratings mention excessive ads
About 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 problems with origins in the early 18th century. First posed in Königsberg, the original puzzle revolved around the town’s Pregel River.
Mathematical thinking is said to increase work efficiency and prevent aging.
Whether math is your bane or your forte, be sure to give this game a try.
You’re sure to get hooked on these puzzles!
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 problems with origins in the early 18th century. First posed in Königsberg, the original puzzle revolved around the town’s Pregel River.
Mathematical thinking is said to increase work efficiency and prevent aging.
Whether math is your bane or your forte, be sure to give this game a try.
You’re sure to get hooked on these puzzles!
