Temporal Dark Patterns
No Temporal Dark Patterns have been reported for this game yet. Are you familiar with this game? Please review it.
Monetary Dark Patterns
No Monetary Dark Patterns have been reported for this game yet. Are you familiar with this game? Please review it.
Social Dark Patterns
No Social Dark Patterns have been reported for this game yet. Are you familiar with this game? Please review it.
Psychological Dark Patterns
No Psychological Dark Patterns have been reported for this game yet. Are you familiar with this game? Please review it.
App Store Ratings
| iOS: | (4.50) with 33,185 votes. |
Recent Dark Pattern Reviews
No dark patterns have been reported for this game. Does it have one? Please help us by reporting it.
Report a Dark Pattern
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!