1Line: One Line Brain Puzzle

KCREW

About this game

Connect every point exactly once and complete the puzzle in a single line.

1Line is a one-stroke puzzle game controlled with a simple finger gesture. Start from the glowing point, visit every point once, and reach the final goal to complete the puzzle.

Features
• A newly generated puzzle in Normal mode
• A shared Daily Puzzle for every player
• Scoring that rewards faster clears and fewer mistakes
• One-step undo and path reset controls
• A personal best score saved on your device
• Korean and English support

Start immediately without creating an account. 1Line has no ads, in-app purchases, or subscriptions.

What’s new

Explore Journey mode and earn stars as you solve one-line puzzles. Enjoy refined visuals, smoother animations, sound effects, and haptic feedback. Improved hint and settings reliability. This version does not display ads.